Announcement: Fixed departure groups for 
The Ancient Trade Route Borasu Pass Trek
Long before it became a trekker’s delight, Borasu Pass was a functional trade artery. For centuries, the villagers of Osla and Gangaad (in Uttarakhand) used this pass to trade with the people of Chitkul and Sangla (in Himachal).
- The Goods: Traders carried wool, salt, and local grains.
- The Kinship: To this day, many families in the Mori/Sankri block have distant relatives or ancestral ties in the Kinnaur region, all thanks to this high mountain pass.
The Mythological Connection
According to the local folklore shared by the guides of the region, the pass lies in the shadow of the Swargarohini Massif. Himalayan Hikers often emphasize the legend that this valley is the "Pathway to Heaven." Local lore suggests that the Gandharvas (celestial musicians) reside in the meadows near the Borasu Glacier, and the pass itself is a gateway guarded by the mountain spirits.
Geographical Significance: The Great Divide
Borasu Pass (5,450m) acts as a literal wall between:
- The Garhwal Himalayas:Supin River.
- The Kinnaur Himalayas: Known for their stark, arid beauty, vertical granite cliffs, and the serene Baspa River.
The pass is located remarkably close to the Indo-China Border. While standing at the summit, the peaks you see to the North belong to the Tibetan plateau, making it a strategically sensitive and breathtakingly beautiful location.
The Glacial Moraine & The "Ice-Wall"
One of the highlights of this trek is navigating the Borasu Glacier. Depending on the season, the approach to the pass involves:
- Spring (May/June): Negotiating deep snow slopes where the incline can reach nearly
- Autumn (Sept/Oct): Navigating through hard ice and crevasses, often requiring the use of fixed ropes—a specialty of the Himalayan Hikers' technical team.
The Har Ki Dun Connection
The trek starts in the Har Ki Dun valley, often called the "Valley of Gods." While most tourists end their journey at the Har Ki Dun campsite, Borasu Pass explorers push further into the wilderness.
The pass sits on the ridge that divides the watershed of the Yamuna (via the Tons River) and the Satluj (via the Baspa river). To the north of the pass lies the Tibet border, and the views from the top include the majestic Swargarohini massifs and the Bandarpunch range.
The Cultural Transition
The trek is a living museum. You start in Sankri/Osla, where the architecture is defined by multi-storied wooden houses and the worship of Someshwar Mahadev. By the time you cross the pass and descend into Chitkul, the architecture shifts to Kinnauri styles, and the culture blends Hinduism with Tibetan Buddhism.
Summary of the Borasu Spirit
Trekking Borasu Pass is like reading a history book written in stone and ice. It is a bridge between two worlds. It challenges your body, but the sight of the Bandarpunch and Kinner Kailash ranges from the top makes every drop of sweat worth it.
Borasu Pass Trek Complete Guide
Our mission has always been to ensure that no trekker steps into the Himalayas without the right perspective. A trek is not just a checklist of summits; it is a serious commitment to the outdoors. Having the right information is what separates a reckless climb from a soulful journey.
This section serves as your definitive manual for the Borasu Pass Trek. We have distilled years of mountain experience and real-time feedback into this guide to give you a clear, honest picture of the trail.
We provide this depth of information because we want you to be more than just a visitor—we want you to be a prepared, responsible trekker who respects the mountains as much as we do
Day 1: Drive from Dehradun to Sankri (The Gateway) of Borasu Pass Trek
Altitude: 1950 m
Distance: 190 km -8/9 Hours
The journey begins from Dehradun, passing through the scenic Mussoorie hills and the Yamuna bridge. You enter the Govind Wildlife Sanctuary at Netwar and reach Sankri, the headquarters for Himalayan Hikers. Meet our team members or branch office at Sankri
Day 2: Derive from Sankri to Gangad Village – Same day Trek to Cheludgad /Seema Camp
Altitude: 2560 m
Drive: 25 km 2/3 Hours - Trek: 05 KM Gangad to Cheludgad Camp
A short, bumpy drive to Gangad Via Taluka marks the start. You trek through a dense forest of blue pine and cedar. You’ll cross the Supin River and pass the historic village of Dhatmir, Gangad Osla before reaching the Seema campsite.
Day 3: Trek Seema/Cheludgad to Har Ki Dun Camp
Altitude: 3,566 m
Trek: 12 KM -(7-8 hours)
The trail climbs steadily. As you ascend, the "Cradle-shaped" valley opens up. You are greeted by the massive Swargarohini peaks. This is one of the most beautiful campsites in the Himalayas.
Day 4: Acclimatization Day at Har Ki Dun (The Himalayan Hikers Special)
Purpose: Active Recovery & Altitude Adjustment.
Activity: A short hike to Maninda Tal or towards Jaundhar Glacier.
This day is vital. By staying an extra night at 3,500 m your red blood cell count increases, significantly reducing the risk of AMS (Acute Mountain Sickness) for the 5,000 m+ push ahead.
Day 5: Trek from Har Ki Dun to Ratta Tho
Altitude: 4,100 m
Trek: 07 KM (4–5 hours)
The terrain shifts from meadows to moraine. You leave the tree line behind. Ratta Tho (Red Stone) is a high-altitude grazing ground for Himalayan Ibex and Blue Sheep.
Day 6: Trek from Ratta Tho to Upper Lamjunga (Base Camp)
Altitude: 4,850 m
Trek: 06 KM (5 -6 hours)
Day 7: Trek from Upper Lamjunga to Bonga Camp via Borasu Pass
Altitude: 5,450 m (Pass) | 4,400 m Camp
Trek: 11 km - (9–11 hours)
The Summit Push: You start at 3:00 AM. Using micro-spikes/crampons, you navigate the snow slopes and the technical "Ice Wall" near the pass. From the top, you see the vast expanse of the Kinnaur ranges.
The Descent: A sharp, technical drop into the Baspa Valley (Himachal side) leads you to the green pastures of Bonga.
Day 8: Trek from Bonga to Chitkul Road Head overnight stay Hotel
Altitude: 3,450 m
Trek: 15 km (7–8 hours)
A scenic walk through the Rani Kanda meadows. You’ll cross several streams and eventually reach Chitkul, the last village on the Indo-Tibetan border. Enjoy the "Last Indian Dhaba" experience!
Day 9: Drive from Chitkul to Shimla (Departure)
Distance: 240 km (9–10 hours’ drive)
The expedition ends with a drive through the famous Kinnaur roads (hanging cliffs) alongside the Satluj River, reaching Shimla by evening.
Day 1
Day 2
Day 3
Day 4
Day 5
Day 6
Day 7
Day 8
Day 9
Day 1: Drive from Dehradun to Sankri (The Gateway) of Borasu Pass Trek
Altitude: 1950 m
Distance: 190 km -8/9 Hours
The Journey Begins
Himalayan Hikers will organize your transport from Dehradun Railway Station. Our taxis depart between 6:00 AM and 7:00 AM, so please ensure you arrive on time. As we leave Dehradun, the state capital, we’ll drive along the famous Rajpur Road, offering a quick glimpse of the city’s colonial charm and vibrant greenery.
Mountain Vistas & Riverside Breaks
The Queen of Hills: Within an hour, we’ll reach Mussoorie. Enjoy the winding roads and the cool mountain air as we pass through this iconic hill station.
Kempty Falls: Our first major stop is at the majestic Kempty Falls. We’ll take a one-hour break here to enjoy breakfast and soak in the lively atmosphere.
The Yamuna River: As we descend toward the valley, we’ll drive alongside the holy Yamuna River. We can take a short 20-minute break here—perfect for photos and enjoying the refreshing riverside breeze.
Lunch & Pine Forests
We will pass through the charming local markets of Nainbagh, Damta, and Naugaon, reaching Purola around 1:30 PM for a delicious local lunch. The final leg of the drive takes us through Jarmola, famous for one of Asia’s most beautiful pine forests. Keep your eyes peeled—from the zig-zag roads here, you can catch your first glimpse of the Kedarkantha peak in the distance.
Arrival at Sankri
After passing the Mori check post (please keep your Aadhar Card ready for forest entry permits), we will arrive at Sankri, a true "trekkers' paradise."
Check-in: Head to The Grand Shiva /Hotel Swargarohini, freshen up, and enjoy hot snacks on our open terrace.
Evening: After a short briefing regarding the trek, feel free to explore the Sankri local market.
Dinner: End your day with a warm, delicious meal before retiring for a comfortable night’s sleep in the mountains.
Day 2: Derive from Sankri to Gangad Village – Same day Trek to Cheludgad /Seema Camp
Altitude: 2560 m
Drive: 25 km 2/3 Hours - Trek: 05 KM Gangad to Cheludgad Camp
Key Highlights & Landmarks
The Supin River: You will follow the river upstream (it stays on your left for most of the way). The sound of the gushing water is your constant companion. Dhatmir Village: About halfway through, you’ll see Dhatmir tucked into the hillside on the opposite bank. Gangad Village: This is a beautiful ancient village with traditional wooden houses. It’s a great spot for a lunch break or a quick interaction with the locals.
Chelud Gad (The Bridge): Shortly before reaching the camp, you will cross a bridge over the Chelud Gad stream. This is often the final push before the campsite.
Seema/Cheludgad Camp: Your campsite is usually located near the riverbank or just below the village of Osla (which sits higher up on the opposite mountain)
Water Points: There are several small streams and "Dhabas" (tea stalls) between Taluka and Gangad where you can refill your water bottles.
Stinging Nettles: Be careful of "Bichchu Ghas" (Scorpion Grass) along the narrow parts of the trail. It’s harmless but causes a stinging sensation for about 20 minutes if touched!
Flora: Keep an eye out for Yellow-throated Martens in the trees and Himalayan Monals in the forest sections above Gangad.
Day 3: Trek Seema/Cheludgad to Har Ki Dun Camp
Altitude: 3,566 m
Trek: 12 KM -(7-8 hours)
Day 3: Seema / Cheludgad to Har Ki Dun (The Final Ascent)
Today is the most spectacular day of the trek. You will leave the permanent settlements behind and climb into the high-altitude alpine meadows where the views of the Swargarohini Massif dominate the horizon.
Terrain: Moderate to steep climb. The trail involves crossing the Supin River and navigating through sprawling meadows and ancient glacier moraines.
Start early (around 7:30 AM) to catch the morning sun hitting the peaks. From the Seema campsite, you will cross a large suspension bridge over the Supin River.
Once across, the trail splits. The path to the right leads up to the ancient Osla Village (renowned for its Someshwar temple). You will take the left trail that contours around the mountain, keeping the river deep in the gorge on your left.
Midday: The "Big Climb" & Alpine Meadows
The first 3–4 km involve a steady, steep ascent. As you gain height, the dense forests of oak and pine begin to thin out, replaced by Bhojpatra (Paper Birch) trees.
You will reach a magnificent viewpoint where the Har Ki Dun Valley first reveals itself in its full glory.
The trail levels out into vast, undulating meadows (Thali) carpeted with wildflowers (in summer) or crisp snow (in winter). This is the perfect spot for a packed lunch with a 360-degree view of the Himalayas.
Afternoon: Entering the Valley of Gods
The final leg is a gradual walk through the meadows. You will cross a few small glacial streams (wooden planks are usually placed here).
As you approach the campsite, the Swargarohini I, II, and III peaks loom large, looking close enough to touch. The Jaundhar Glacier and Kalanag (Black Peak) also become visible as you reach the confluence of the Supin and the peaks.
Evening: Har Ki Dun Base Camp
Reach the campsite by late afternoon. The Har Ki Dun The camping grounds sit in a cradle of mountains.
Day 4: Acclimatization Day at Har Ki Dun (The Himalayan Hikers Special)
Purpose: Active Recovery & Altitude Adjustment.
Activity: A short hike to Maninda Tal or towards Jaundhar Glacier.
This day is vital. By staying an extra night at 3,500 m your red blood cell count increases, significantly reducing the risk of AMS (Acute Mountain Sickness) for the 5,000 m push ahead.
Day 5: Trek from Har Ki Dun to Ratta Tho
Altitude: 4,100 m
Trek: 07 KM (4–5 hours)
Day 5 takes you beyond the standard trekking route and into the raw, alpine territory of the Borasu Pass trail. Ratta Tho (meaning "Red Stone") is a stunning high-altitude meadow used primarily by shepherds and those attempting the cross-over into Himachal Pradesh.
Morning: Leaving the Cradle
After breakfast, you bid farewell to the Har Ki Dun campsite and head North-East toward the Maninda Tal and Borasu Pass direction.
The trail follows the Maninda Gad (a tributary of the Supin River). You will walk through the last stands of stunted Bhojpatra (Birch) trees before entering the true alpine zone where only shrubs and grass survive.
Midday: Crossing the Maninda Gad
You will navigate through a series of boulder fields and glacial moraines. Depending on the water level, you may need to cross the Maninda Gad stream. The water is ice-cold, coming directly from the melting glaciers above.
The incline is gradual but the thinning air makes the ascent feel more strenuous. Take frequent "micro-breaks" to enjoy the views of Hata Peak and the backside of the Swargarohini range.
Afternoon: Arrival at Ratta Tho
The valley opens up into a vast, flat, and somewhat rocky meadow known as Ratta Tho.
The Name: You will notice large red-colored rocks and stones scattered across the landscape, which give the site its name.
This campsite is incredibly dramatic. It is flanked by towering granite cliffs and hanging glaciers. You are now truly in the "high country."
Evening: High Altitude Camp
The temperature here is significantly lower than Har Ki Dun. Wind speeds can also pick up in the open valley.
Star Gazing: With zero light pollution and a higher altitude, the night sky at Ratta Tho is spectacular. The Milky Way is often visible to the naked eye.
Day 6: Trek from Ratta Tho to Upper Lamjunga (Base Camp)
Altitude: 4,850 m
Trek: 06 KM (5 -6 hours)
Today is a short but grueling day. You are leaving the meadows behind and entering a world of rock, ice, and moraine. This is the final staging point before the challenging crossing of the Borasu Pass
Morning: Navigating the Moraine
The trek starts with a steady climb over the lateral moraine (debris left by glaciers). The path is uneven with loose rocks, so every step requires focus.
The "Red Stones" of Ratta Tho fade away as the landscape turns into a monochromatic world of grey granite and white snow.
Midday: The Approach to the Glacier
As you climb, the Borasu Glacier becomes visible. You will be walking along the ridge of the valley with the glacier sitting deep below you.
The incline becomes steeper as you approach Lower Lamjunga. Most groups push slightly further to Upper Lamjunga to make the next day's pass crossing shorter.
Afternoon: Arrival at Upper Lamjunga
The "Base Camp" isn't a flat meadow; it is a rugged, rocky shelf carved out of the mountainside.
The View: You are now surrounded by giants. The Swargarohini peaks look different from this angle—sharper and more formidable. To your North-West, the notch in the ridgeline is the Borasu Pass, your target for tomorrow.
Evening: Preparation & Cold
Sunset happens early here as the high peaks block the light. The temperature will likely drop well below freezing -1 temperature around here as soon as the sun dips.
Day 7: Trek from Upper Lamjunga to Bonga Camp via Borasu Pass
Altitude: 5,450 m (Pass) | 4,400 m Camp
Trek: 11 km - (9–11 hours)
The Summit Push: You start at 3:00 AM. Using micro-spikes/crampons, you navigate the snow slopes and the technical "Ice Wall" near the pass. From the top, you see the vast expanse of the Kinnaur ranges. This is the most challenging, adrenaline-fueled, and rewarding day of the expedition. You will cross the Borasu Pass 4,725 m a high-altitude gateway that has been used for centuries by traders and shepherds between the Tons Valley and the Baspa Valley.
The Descent: A sharp, technical drop into the Baspa Valley (Himachal side) leads you to the green pastures of Bonga.
The Summit: Borasu Pass (5450 m
Standing on the pass, you have one foot in Garhwal (Uttarakhand) and the other in Kinnaur (Himachal Pradesh).
The View: To the south, the Har Ki Dun valley stretches away; to the north, the stark, rugged mountains of Kinnaur and the Tibet border ranges come into view. You can see the Zhupkia and Rani Kanda peaks in the distance.
Afternoon: The Descent into Kinnaur
The descent on the Himachal side is often steeper and involves sliding down snow slopes (glissading) or navigating loose rock fields. As you descend, the landscape changes rapidly from white ice to the brown and green of the Baspa Valley.
Evening: Arrival at Bonga Camp
Bonga is a beautiful, wind-sheltered campsite located at the base of the pass descent. It feels like a paradise after the harsh rocks of the summit.
The air feels thicker here, and you can finally relax after the most strenuous leg of the journey.
Day 8: Trek from Bonga to Chitkul Road Head overnight stay Hotel
Altitude: 3,450 m
Trek: 15 km (7–8 hours)
Today is a celebratory walk. You will descend through the stunning Baspa Valley of Himachal Pradesh. The landscape shifts dramatically from the rugged, high-altitude terrain of the pass to lush pine forests
Morning: The Meadows of Kinnaur
After a late breakfast (you deserve the extra sleep!), you’ll begin the walk down the valley.
The trail follows the Baspa River on its right bank. The valley here is wider and more open than the Supin Valley on the Uttarakhand side.
You’ll pass through Rani Kanda, a vast grazing ground where you might see ITBP (Indo-Tibetan Border Police) posts. This area is strictly monitored due to its proximity to the border.
Midday: Forest & Flower Trails
As the altitude drops, you enter a fairytale landscape of Bhojpatra (Birch) and Himalayan Cedar forests.
In the summer months, these meadows are filled with orchids and wild lilies. The contrast of the white snow-capped peaks against the deep green forest is a photographer's dream.
Afternoon: Arrival at Chitkul
The first sign of "civilization" will be the distant view of the colorful roofs of Chitkul.
You will cross the final bridge over the Baspa River and enter the village. Reaching the road-head marks the official end of your trek.
The Finish Line: Celebrate with a photo at the famous "Hindustan Ka Aakhri Dhaba" (India's Last Dhaba).
Evening: Hotel Stay & Comfort
Check into your hotel. After 7 days in a tent, a hot shower and a real bed will feel like ultimate luxury.
Enjoy a traditional Himachali dinner and share stories of the Borasu Pass crossing with your team. With Himalayan Hikers
Day 9: Drive from Chitkul to Shimla (Departure)
Distance: 240 km (9–10 hours’ drive)
Morning: Leaving the Last Village
Start Time: Aim to leave by 6:00 AM or 7:00 AM. Early departures are critical to avoid "gate system" delays or heavy traffic near Shimla.
The drive starts with the scenic stretch from Chitkul to Sangla, passing through the beautiful Rakcham village.
At Karcham, you will see the massive Karcham-Wangtoo Hydroelectric Dam, where the Baspa River meets the mighty Sutlej.
Midday: The Sutlej Gorge & Rampur
You will now follow the Sutlej River downstream. This section features the famous "Tranda Dhank"—roads literally carved into the side of vertical cliffs.
Afternoon: Climbing to Narkanda
From the hot river valley at Rampur, the road climbs steeply back up to Narkanda
The scenery shifts back to dense pine forests and apple orchards. If time permits, a quick stop at Narkanda offers a final glimpse of the snow peaks you just crossed.
Evening: Arrival in Shimla
Arrival: Usually by 5:00 PM – 7:00 PM.
Departure: Most travelers board an overnight Volvo bus to Delhi/Chandigarh or check into a hotel for a well-deserved night of comfort.
Difficulty Level of Borasu Pass Trek
Borasu Pass Trek is classified as a Level (Difficult) high-altitude traverse. It is not a standard hike; it is a technical crossover that demands significant physical stamina, mental grit, and prior experience with altitudes above 5450 meters.
1. Technical Terrain and "The Vertical Wall"
The most daunting aspect of Borasu Pass is the summit day. Unlike moderate passes where you simply walk to the top, Borasu features a near-vertical final ascent.
The 70-Degree Incline: The final stretch to the pass is an intimidating 70-to-75-degree slope. Depending on the season, this is either hard-packed ice or loose, slippery scree.
Glacial Hazards: You must navigate the Zupica Glacier, which is riddled with both open and hidden crevasses. Walking on a glacier requires "roping up" in teams to ensure that if one person slips or falls into a crevasse, the team can arrest the fall.
Rappelling/Fixed Ropes: The descent toward the Himachal (Chitkul) side begins with a massive 50-meter drop. This section is often too steep to walk down safely and frequently requires the use of fixed ropes or technical descending maneuvers.
2. Physical Toll and Endurance
The trek covers approximately 67 km over 8 days, but the numbers don't tell the full story.
Knee-Breaking Descent: After reaching the summit at 5,450 meters (17,880 ft), you must descend nearly 2,000 meters to reach the Bonga campsite. This sustained downward pressure is brutal on the knees and requires high lower-body strength.
The "Boulder Zone": Vast stretches of the trail consist of moraines—fields of unstable, jagged boulders. Negotiating these requires constant balance and "boulder-hopping," which is mentally exhausting and carries a high risk of ankle injuries.
3. High-Altitude and Atmospheric Challenges
At nearly 18,000 feet, the environment is fundamentally hostile to the human body.
Oxygen Levels: At the summit, you are breathing roughly 50% of the oxygen available at sea level. This makes every step feel like a heavy lift and increases the risk of Acute Mountain Sickness (AMS).
Thermal Stress: Temperatures at the higher camps (Upper Lamjunga) regularly drop to -10°C or lower at night. Sustaining your energy in such cold while sleeping in tents adds a layer of "attrition" to the trek.
4. Remote Isolation
Borasu Pass is far less commercialized than the nearby Rupin or Bali passes.
No Exit Strategy: Once you pass Har Ki Dun, there are virtually no "easy" ways out. If an injury or severe altitude sickness occurs, evacuation is extremely difficult due to the rugged terrain and lack of infrastructure. You are essentially in a "commitment zone" where the only way forward is over the pass.
Summary Verdict
The Borasu Pass is a bridge between trekking and mountaineering. It is recommended only for those who have completed at least 3–4 high-altitude treks and are comfortable using technical gear like micro-spikes, ice axes, and gaiters.
The best time to visit Sar Pass Trek is during the summer months of May to June and September to October. These periods offer favorable weather conditions and clear skies, making it easier to navigate the trekking route and enjoy the stunning views.
During May to June, the weather is pleasant, and the snow starts melting, revealing beautiful meadows and vibrant landscapes. This period is considered the pre-monsoon season, and the temperatures are moderate, ranging from 15 to 20 degrees Celsius during the day and dropping to around 5 degrees Celsius at night.
September to October is also an excellent time for the Sar Pass Trek. It is the post-monsoon season, and the weather remains relatively dry and stable. The temperature during this time ranges from 10 to 15 degrees Celsius during the day and can drop to freezing temperatures at night.
It’s important to note that weather conditions can vary, so it’s advisable to check the local weather forecast before planning your trek. Additionally, be prepared for sudden weather changes and carry appropriate clothing and gear to ensure a safe and enjoyable experience.
Why choose Borasu pass Trek?
Before heading towards the itinerary, it is really essential to perceive the reason behind choosing Bali Pass Trek. See firstly, the trekking distance is a total of by taxi ;221 Km and on foot 64 km which is to be covered in 8 days. Dehradun to via Har Ki Dun To Chitkul market Borasu Pass trek is a high altitude mountain trek Altitudes is 5450 Meters The Starting trail is moderate as compared to other treks this is a difficult trek. So this trek is not for beginners
Need proper gear & clothing for sub-zero temperatures?
In addition, You got to see so many heavenly bodies at one place like the panoramic view of the Himalayan ranges, meadows, one of the beautiful Har Ki Dun Trek on the way to beautiful manida lake, pine forests, different variety of flora and fauna surpassing through bona fide Garhwali heritage and culture.
I think Do spare time in Interaction with our local’s team, and you will get to know about some of the ancient tales of Indian mythology and our local cultures, these is good ideas for trekkers And, in summer, the Borasu pass trek turns totally different and amusing because of meadows, wildflowers, and woods blooming in different colures. Beautiful landscapes so carry proper photo gear & Extra battery backup. The backpack should not exceed 10 to 12 kg only
Borasu Pass Trek in May or June?
Borasu Pass Trek Month in May and June gives a slightly different experience to Trekkers because in May you start getting snow after Har Ki Dun. The Borasu Pass trek starts from Sankri market and its endpoint is Chitkul Village. Borasu pass trek starts from Sankri via Har Ki Dun in Uttarakhand which comes in the Supin range and end this trek ends at Chitkul village which comes in Himachal Pradesh
In May and June, you get a combination of both greenery and snow, which makes the trek very spectacular. The weather in May and June is quite good and trek-friendly, which makes trekking a lot of fun. During the day the temperature of Borasu Pass is around ( 5°C to 10 °C and during the night the temperature comes down to -1 °C to -5 °C which is not bad. Views and treks in Borasu Pass provide a lot of peace to the mind during the day, while you wake up from one wake to another, Borasu Pass can always be one of the closest treks in your heart.
You will never consider yourself bored in Borasu Pass Trek, this trek can give you nothing but joy, You will get to see the culture and beauty of two beautiful states in this trek which will always keep you connected to the mountain.
Borasu Pass Trek in September or October?
Borasu Pass is a little different in the months of September and October, this is because you will not find snow here in these months.
But the beauty of the trek will not be lacking, the trek and nature adorn themselves with time and in different colors. The month of September and October are very good days to trek, at this time total greenery and at the end of October sometimes you can get to see live snowfall.
During the day the temperature of Borasu Pass is around Day time 6°C to 13 °C and during the night the temperature comes down to 3 °C to – 4 °C which is very confirmable,
At this time the weather here will be very good for you, At this time it is even safe to trek here and there is no rain.
How to Reach Dehradun for Borasu Pass Trek
Trekking with Himalayan Hikers, your real journey starts at the Dehradun Railway Station early in the morning (usually 6:00 AM to 7:00 AM) for the drive to Sankri.
1. By Air: Jolly Grant Airport (DED)
The airport is actually closer to Rishikesh than Dehradun city.
The Strategy: Aim to land in Dehradun a day before your trek starts.
Transport to City:
* Private Taxi: ₹1,200 – ₹1,500 (approx. 1-hour drive).
* Electric Bus: Affordable airport shuttle buses run to the ISBT Dehradun.
Pro Tip: If you arrive late at night, stay near the Railway Station so you are ready for the Himalayan Hikers' pick up the next morning.
2. By Train: Dehradun Railway Station (DDN)
This is the most convenient option because most trekking groups meet right outside the station.
Top Recommendations:
Nanda Devi Express: Arrives from Delhi around 5:40 AM (Perfect timing).
Dehradun Shatabdi: Arrives around 12:50 PM (Requires a stay in Dehradun for the night).
Pro Tip: Book your return tickets from Dehradun for the day after the trek ends. Mountain roads are unpredictable; never book a return train for the same evening you return from the mountains.
3. By Road: ISBT Dehradun
Dehradun is a major hub for Volvo and Deluxe buses.
From Delhi: Buses leave from Kashmere Gate ISBT. The overnight "AC Volvo" is the most comfortable for the 6–7-hour journey.
Arrival Point: You will drop at the Dehradun ISBT. From there, take an auto-rickshaw (₹100–₹150) to the Railway Station area.
Essential Gear for the Borasu Pass Trek Packing List
1. Trekking Gear & Bags
- Main Backpack (50–60 Liters): Must have good hip support and a rain cover.
- Daypack (20 Liters): Essential if you plan to offload your main bag; carries water, snacks, and a jacket.
- Trekking Poles: Highly recommended for stability on snowy slopes.
2. Clothing (The Layering System)
- Base Layer (2-3 Pairs): Quick-dry, moisture-wicking thermals (top and bottom).
- Mid Layer (2): Fleece jackets or sweaters for insulation.
- Outer Layer (2): A high-quality padded down jacket (rated for -10°C).
- Trekking Pants (2): Water-resistant and windproof pants. Avoid jeans at all costs.
- T-shirts (3): Collared, full-sleeve dry-fit tees to prevent sunburst on the neck.
3. Footwear & Socks
- Trekking Boots: High-anchor, waterproof boots with good grip Decathlon Forclaz or similar MH 100) Asain, Jonmart hiking Shoes .
- Woolen Socks (4 Pairs): For sleeping and extra warmth at night.
- Cotton Socks (4 Pairs): For trekking during the day.
4. Headwear & Accessories
- Sun Cap: To protect against UV rays during the day.
- Woolen Cap/Balaclava: Must cover your ears to prevent heat loss.
- Neck Warmer/Buff: Protects your face from cold winds.
- Gloves: One pair of fleece liners and one pair of waterproof outer gloves.
- Sunglasses: Polarized/UV protected to prevent snow blindness.
5. Personal Hygiene & Toiletries
- Sunscreen (SPF 50+) and Lip Balm.
- Moisturizer and Sanitizer.
- Toilet paper and Biodegradable wet wipes.
- Toothbrush, Toothpaste, and a small quick-dry towel.
6. Health & First Aid
- Personal Medikit: Band-aids, crepe bandage, and antiseptic.
- Anti-Altitude Sickness: Diamox (consult your doctor first).
- Pain Relief: Volini spray or Moov.
- Water Purification: Tablets or a LifeStraw.
Quick Tips for a Successful Trek with Himalayan Hikers
- Hydration: Drink at least 3/4 liters of water daily to help with acclimatization.
- Batteries: Cold drains phone and camera batteries fast. Keep them inside your sleeping bag at night to keep them warm.
- Eco-Friendly: "Pack it in, pack it out." Don't leave any plastic on the trail.
Must-Have Medicines for Borasu pass Trek
1. Altitude & Breathing
- Diamox (Acetazolamide): The most common medicine for AMS (Acute Mountain Sickness). It helps your body acclimatize faster.
Note: Start a preventive dose only after consulting your doctor, as it is a diuretic.
- Camphor (Kapur): Carrying a small pouch of camphor to smell can help some people feel more comfortable while breathing in thin air.
2. Pain & Inflammation
- Combiflam / Ibuprofen: For muscle aches, joint pain, or body fever after a long day of climbing.
- Dolo 650 (Paracetamol): For mild fever or headaches (often a first sign of dehydration or AMS).
- Diclofenac Gel/Spray (Volini/Moov): Essential for calf muscle cramps or knee pain during the descent.
3. Digestive Health (Very Important)
- Digene / Pudin Hara: For acidity or bloating caused by heavy meals at high altitudes.
- Ondem (Ondansetron): For nausea or vomiting (common symptoms of altitude sickness).
- Eldoper / Nor-Metrogyl: For loose motions or stomach infections.
- ORS / Electral: To prevent dehydration. Mix one sachet in your water bottle every day.
4. Respiratory & Cold
- Ascoril/Alex Syrup (or Lozenges): For "Khonchi" (dry mountain cough) caused by cold, dry air.
- Cetirizine / Okacet: For allergic reactions or a runny nose.
- Avomine: If you get motion sickness during the bumpy 10-hour drive from Dehradun to Sankri.
5. First Aid Basics
- Band-aids & Cotton: For small nicks.
- Crepe Bandage: In case of a minor ankle sprain on the snowy trail.
- Betadine/Dettol: Antiseptic for any cuts.
- Anti-fungal Powder: To keep your feet dry and prevent fungal infections from wet socks.
Mandatory Document Checklist for Borasu pass Trek
To trek in the Govind Pashu Vihar National Park (where Har Ki Dun is located), the Uttarakhand Forest Department and Himalayan Hikers require a specific set of documents for permits and safety protocols. Here is the checklist of mandatory documents you need to carry:
1. Government Identity Proof (Original + 2 Photocopies)
You must carry a valid, government-issued photo ID. This is required for forest check-posts at Netwar and Sankri.
Accepted: Aadhar Card, Voter ID, Driver's License, or Passport.
Note: Keep two photocopies handy as one will be submitted at the Forest Office for your entry permit.
Trek Insurance mandatory
2. Medical Fitness Certificate
Himalayan Hikers prioritizes safety. You cannot start the trek without a certified medical report.
- Requirement: The certificate must be signed and stamped by a registered medical practitioner (MBBS Doctor).
- Validity: It should usually be issued within 15–30 days of the trek start date.
- Criteria: It should state that your blood pressure, heart rate, and lung health are normal for high-altitude trekking.
3. Disclaimer & Waiver Form
This is a standard indemnity bond provided by Himalayan Hikers.
What it is: A document stating that you understand the risks of high-altitude trekking and are participating voluntarily.
Process: You can usually download this from their website, sign it, and hand it over at the Sankri base camp.
6-Week "Glacier Mastery" Training Plan for the Borasu Pass Trek
Weeks 1-2: The Foundation (Aerobic Base)
You are preparing for a 67 km journey. You need "slow-burn" energy.
- Running: 4 days a week. Focus on distance over speed. Target 5 km at a steady pace.
- Incline: If using a treadmill, set it to 7% grade to simulate the climb to Har Ki Dun.
Strength:
- Deep Squats: 3 sets of 25. (Crucial for the push from Upper Lamjunga).
- Calf Raises: 3 sets of 30. (The glacier approach puts massive strain on your calves).
- Superman/Back Extensions: 3 sets of 15. (You will be carrying heavier technical gear).
Himalayan Hikers Logic: Borasu requires "Lungs of Steel." At 17,880 feet oxygen is scarce. Practice "Box Breathing" (4s inhale, 4s hold, 4s exhale) during your walks.
Weeks 3-4: The Technical Transition (Ankle & Core)
Borasu pass involves "boulder hopping" and "glacier walking." Balance is everything.
- Weighted Walking: 2 days a week, walk 8-10 km with a 7 kg backpack.
- Intervals: 1 day a week. Run fast for 2 mins, walk for 1 min. This mimics the "bursts" of energy needed to climb steep snow slopes.
Strength:
- Lunges (Forward & Lateral): 3 sets of 15. (Essential for navigating the jagged moraines/boulders).
- Step-downs: Find a box or stair. Slowly step down. This builds the "braking" muscles for the 2,000 m descent to Rani Kanda.
- Plank: Hold for 90 seconds. A strong core keeps you balanced on slippery ice.
Weeks 5-6: Peak Endurance (The "Pass Crossing" Phase)
This is where you simulate the "Summit Day"10 to 12 hours of movement).
- The 5K Benchmark: Aim to run 5 km in under 30 minutes.
- The "Final Test": One 15-18 km walk with a 10 kg backpack. Include as many stairs or hills as possible.
- Ankle Stability: Stand on one leg while brushing your teeth or watching TV. It sounds simple, but it prevents sprains on the Zupica Glacier.
The Zupica Glacier: You will be on ice for hours. Practice walking in your boots on uneven, rocky surfaces to avoid "hot spots" (blisters) caused by stiff soles.
The "Salami" Descent: The descent into Chitkul is incredibly steep. Never run. Use a zigzag (Salami) pattern to save your ACLs and meniscus.
Hydration is Life: At 5450 m your blood thickens. You must drink 3 to 4 L of water. If your urine isn't clear, you aren't safe to climb.
The "Lamjunga" Cold: Upper Lamjunga is one of the coldest campsites. Practice "Cold Starts" (start your morning workout in slightly less clothing) to toughen your body’s thermoregulation.
What to present at the Sankri Base Camp:
- Medical Certificate: A strict requirement for Borasu due to the extreme altitude.
- The 10kg Test: Show your trek lead you can comfortably carry your loaded pack for 5 km without heavy panting.
Why Himalayan Hikers is the gold standard for this specific high-altitude challenge
Borasu Pass Trek is a different ballgame compared to standard trek. Borasu Pass 5,450 m is a technical "Crossover" trek that connects the Tons Valley to the Yamuna Valley.
1. Technical Safety & Peak Protocol
Bali Pass isn't just a walk; it involves 60-degree descent on snow and scree. Safety here requires more than just a first-aid kit.
- NIM Certified Technical Leads: Our leaders are trained at the Nehru Institute of Mountaineering. (IMF Indian mountaineering foundation) with Local team For Bali Pass, they aren't just guides; they are technical experts who know how to fix ropes and cut steps in hard ice.
- The "Pass-Day" Strategy: The push from Ratta Dho, Upper lamjunga via the Pass is grueling. We start as early as 4:00 AM to ensure we cross the snow bridge before the sun softens the ice—a critical safety window.
- Advanced Medical Support: Given the 5,450 m altitude, we carry medical-grade Oxygen, Gamow bags (on request for large groups), and constant pulse-oximetry monitoring at every camp (Har Ki Dun to Upper lamjunga base
Himalayan Hikers Private all Safety equipment’s Helmet, Ice axe, Rope, Gaiters, Spikes more
2. The "Sankri to Chitkul " Logistics
Bali Pass is a one-way crossing. We handle the complex logistics of your transition from the Tons Valley to the Yamuna Valley seamlessly.
- Basecamp Comfort: Your journey begins at The Grand Shiva Home Stay in Sankri—our own property. You get a real bed, a hot meal, and a final technical briefing before heading into the wild.
- High-Altitude Shelters: We use specialized North Face-style 4-season Dome tents. At the Upper camp (the cave site), temperatures can drop to -10 degree our sleeping bags are rated for these extreme sub-zero conditions.
- Evacuation Readiness: We maintain a dedicated communication link with Chitkul for the exit phase, ensuring transport is waiting when you descend from the heights.
3. Nutrition for High-Altitude Survival
On Borasu Pass, you burn nearly 4,000–5,500 calories on the summit day.
- Thermogenic Diet: Our menu includes ginger soups, garlic-heavy dal fruits (to aid natural acclimatization), and high-energy snacks like nuts and chocolates for the final ascent.
- Hydration Command: We enforce the "5L Rule." Our kitchen staff provides warm water even at the highest camps to ensure you don't get dehydrated in the freezing wind.
Why We Are Different -Borasu Pass Trek
| Feature | Other Agencies | Himalayan Hikers |
|---|---|---|
| Route Knowledge | Follow standard trails. No good idea | Local Legends: Our guides grew up in these mountains; they know "hidden" escape routes if the weather turns. |
| Campsite Quality | Generic crowded sites. | Strategic Locations: We pick wind-shielded spots at upper lamjunga to ensure you actually sleep before the big climb. |
| Technical Gear | Often rented/basic. | Pro-Grade: We own our equipment, ensuring every carabiner and rope is safety-checked. |
| The Exit | You are left at the road-head. | Full Cycle: We manage your transition from the Chitkul side back to Shimla drop |
| Category | Details |
|---|---|
| Transport | Dehradun to Dehradun round-trip via Tempo Traveler (Pickup & Drop) |
| Permits & Entry | Forest Permit and Entrance Fees |
| Accommodation | Homestay, Tented Accommodation on Twin / Triple Sharing |
| Meals | Breakfast, Lunch, Tea, Coffee, Snacks, Soup, Dinner (All meals included) |
| Camping Gear | High-Quality Dome Tents, Sleeping Bags, Mattress, Liner |
| Sanitation Setup | Separate Toilet Tents (Ladies & Gents), Dining Tent, Dining Table, Camping Chair |
| Support Staff | Kitchen Team, Trek Helpers |
| Communication Tools | Radio Walkie-Talkie |
| Trek Guides | Experienced Trek Leader & Technical Guide |
| Safety Equipment | Medical Kit, Oxygen Cylinders, Pulse Oximeter |
| Trekking Equipment | Crampons, Gaiters, Helmate, Ice ax |
| Category | Details |
|---|---|
| Meals (Not Included) | – Day 1: En route Breakfast & Lunch to base camp– Day 8: En route Lunch & Dinner (not included) |
| Insurance & Documents | – Personal Insurance– Medical Certificate (Mandatory) |
| Personal Essentials | – Personal Toiletry Items– Personal Medical Kit |
| Porter Service | – Porter fee: ₹500 per day (to be paid directly at Sankri base camp)– Minimum bag weight for porter: 8 kg |
| Foreign Nationals | – ₹2800 extra for trekking permit– Passport and valid Visa required |
Important Note
Himalayan Hikers offers both online and offline booking options for their treks. Here’s a breakdown of both options:
1. Online Booking: Direct Visit our Official Website Himalayan Hikers has an official website where trekkers can browse through different treks, check details (itineraries, costs, difficulty level, etc.), and make bookings. Payment gateways are integrated for secure online transactions. Third-Party Platforms: They might also be listed on various trekking or adventure booking platforms, where you can compare prices, read reviews, and make bookings.
2. Email Communication: Trekkers can inquire about treks via email and complete the booking process online, following email communication and payment.
3. Offline Booking: Direct Visit our Official Website Himalayan Hikers has physical offices (especially in Uttarakhand), where trekkers can visit in person, discuss treks, and complete bookings directly.
4. Phone Booking: You can also call their office to make a booking. Details about payment methods, trek dates, and other logistics can be confirmed over the phone.
Yes, Himalayan Hikers requires a 25% advance payment for booking treks, Via- Google pay or UPI, Directly Himalayan Hikers Account with the remaining amount to be paid in cash at their branch office in Sankri before the trek starts. This payment structure is typical for ensuring that bookings are confirmed while allowing trekkers flexibility in completing the payment when they arrive.
Map of Borasu Pass Trek Route
It is rated as Difficult. While the initial days through Har Ki Dun are moderate, the pass crossing involves technical challenges: steep 70-degree snow slopes, navigating glacial moraines, and crossing crevasses. It is more of a semi-expedition than a simple hike.
No. Most experts and operators mandate prior high-altitude experience (at least 1-2 treks above 4,500 m). Beginners will likely struggle with the rapid altitude gain and the technical "ice-craft" required near the summit.
It is a very difficult trek suitable only for experienced trekkers.
There are two primary windows:
- Pre-Monsoon (May to June): Expect lots of snow on the pass and vibrant wildflowers in the valleys.
- Post-Monsoon (September to October): Crisper views, less snow, and stable weather, though nights become significantly colder.
The trek covers approximately 65–70 km over 7 to 8 days. You typically start in Sankri (Uttarakhand) and end in Chitkul (Himachal Pradesh).
You will reach an elevation of 5,450 meters (17,880 feet) at the summit of the pass. For perspective, that’s nearly the same height as Everest Base Camp.
Yes. Since the trail passes through the Govind Pashu Vihar National Park and crosses a state border near the Tibet frontier, you need:
- Forest Department permits (obtained at Sankri/Netwar).
- Aadhar card/Government ID (carry multiple copies).
You should be able to run 5 km in 30–35 minutes comfortably. Focus on cardiovascular endurance and leg strength, as you’ll be trekking for 7–9 hours on the pass day.
The trek starts from Sankri. The nearest major hub is Dehradun.
- By Air: Jolly Grant Airport (Dehradun).
- By Train: Dehradun Railway Station.
- By Road: A 10-hour scenic drive from Dehradun to Sankri.
High. You gain significant altitude after Har Ki Dun. Proper acclimatization at Ratha Tho or Upper Lamjung is non-negotiable. Always carry Diamox (consult your doctor) and stay hydrated.
Yes! One of the biggest highlights is the "stairway to heaven"—the Swargarohini massif. You also get views of Bandarpoonch, Black Peak (Kalanag), and the Jaundhar glacier.
Beyond standard gear, you must have:
- High-ankle trekking boots (with good grip for snow/boulders).
- Gaiters and Microspikes (essential for the pass crossing).
- Technical clothing: A 3-layer system to handle temperatures as low as -10°C.
It ends in Chitkul, famously known as the last Indian village on the Indo-Tibetan border. From there, you can drive to Shimla to head home.
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