Borasu Pass Trek
Duration
9 Days
Max Altitude
17,900 ft
Trek Grade
Difficult
Region
Uttarakhand & Himachal
Photo Gallery
SHORT ITINERARY
Day 1: Arrival at Sankri (1,920 m)
🚗 Drive: 200 km | 8–9 hrs from Dehradun
🌲 Enjoy a picturesque ride via Mussoorie, Purola & Mori along the Tons River
🏡 Stay: Guesthouse / Homestay | 🍽 Meals: Dinner
Day 2: Sankri to Taluka – Trek to Seema/Osla (2,560 m)
🚙 Drive: 12 km to Taluka | 🥾 Trek: 14 km / 6 hrs
⛺ Stay: Riverside Campsite / Village Homestay | 🍽 Meals: B/L/D
Day 3: Trek from Seema to Har Ki Dun Valley (3,566 m)
🌄 Trek: 12 km / 6–7 hrs through forests & meadows
⛺ Stay: Scenic Campsite in the majestic Har Ki Dun Valley | 🍽 Meals: B/L/D
Day 4: Har Ki Dun to Ratha Tho (3,800 m)
❄️ Trek: 6 km / 4–5 hrs into glacial terrain
⛺ Stay: Alpine Campsite near snowfields | 🍽 Meals: B/L/D
Day 5: Ratha Tho to Saunbhera (4,200 m)
🧊 Trek: 6 km / 4 hrs through rugged moraines
⛺ Stay: Campsite near Saunbhera glacier | 🍽 Meals: B/L/D
Day 6: Saunbhera to Borasu Pass Base Camp (4,800 m)
🌌 Trek: 5 km / 3 hrs — dramatic high-altitude landscapes
⛺ Stay: Remote Base Camp under the stars | 🍽 Meals: B/L/D
Day 7: Cross Borasu Pass (5,450 m) – Descend to Bonga (4,000 m)
🧗♂️ Trek: 13 km / 9–10 hrs | Challenging Pass crossing into Himachal
⛺ Stay: Campsite at Bonga, first site in Himachal | 🍽 Meals: B/L/D
Day 8: Bonga to Chitkul (3,450 m) – Trek Ends
🚶 Trek: 13 km / 6–7 hrs through the stunning Baspa Valley
🏔️ Reach Chitkul – the last inhabited village of India
📸 Say goodbye to the mountains and take memories for a lifetime
🏠 Stay: Guesthouse (at your own cost, not included in package)
✨ Highlights:
Traverse two states: Uttarakhand to Himachal
Explore the sacred Har Ki Dun Valley
Cross glacial terrains, meadows, rivers & the mighty Borasu Pass (5,450 m)
End your journey in the beautiful village of Chitkul, nestled on the Indo-Tibetan border
DETAILED ITINERARY
Day 1: Arrival at Sankri (1,920 M)
Travel: Drive from Dehradun to Sankri (200 km / 8–9 hrs)
Route: Scenic drive via Mussoorie, Purola, Mori along the Tons River
Stay: Guesthouse / Homestay
Meals: Dinner
Sankri is a beautiful village at the base of Govind Pashu Vihar National Park, known for being the trailhead of many legendary treks. Relax, acclimatize, and enjoy the mountain hospitality.
Day 2: Sankri to Taluka (2,107 M) – Trek to Seema / Osla (2,560 M)
Drive: 12 km / 1 hr to Taluka
Trek: 14 km / 6 hrs
Stay: Riverside Campsite / Homestay
Meals: Breakfast, Lunch, Dinner
Begin with a short drive to Taluka, then trek through thick pine and deodar forests, crossing multiple wooden bridges and mountain streams. Pass through the charming villages of Gangaad and Osla, rich in local culture and legends of the Mahabharata.
Day 3: Seema to Har Ki Dun (3,566 M)
Trek: 12 km / 6–7 hrs
Stay: Campsite in the Har Ki Dun Valley
Meals: Breakfast, Lunch, Dinner
A scenic trail opens into the magnificent Har Ki Dun Valley, surrounded by snow-capped peaks like Swargarohini and Hata Peak. Camp in the vast alpine meadow beside the river, one of the most iconic Himalayan campsites.
Day 4: Har Ki Dun to Ratha Tho (3,800 M)
Trek: 6 km / 4–5 hrs
Stay: Alpine campsite near glaciers
Meals: Breakfast, Lunch, Dinner
Today, the trail becomes more remote and adventurous. Walk along moraines, river crossings, and glaciers as the valley narrows. The campsite at Ratha Tho offers panoramic views and a feeling of complete wilderness.
Day 5: Ratha Tho to Saunbhera (4,200 M)
Trek: 6 km / 4 hrs
Stay: Campsite near Saunbhera glacier field
Meals: Breakfast, Lunch, Dinner
This stretch takes you deeper into high alpine territory. Snow bridges, boulder zones, and glacier-fed streams test your trekking endurance. Camp at Saunbhera, a dramatic glacial amphitheater beneath towering cliffs.
Day 6: Saunbhera to Borasu Pass Base Camp (4,800 M)
Trek: 5 km / 3 hrs
Stay: High-altitude base camp
Meals: Breakfast, Lunch, Dinner
A shorter but steeper day. The altitude is challenging, and the terrain is rugged. The base camp sits just beneath Borasu Pass and prepares you for the most challenging day of the trek. Acclimatize and rest well.
Day 7: Base Camp – Cross Borasu Pass (5,450 M) – Descent to Bonga (4,000 M)
Trek: 13 km / 9–10 hrs
Stay: Campsite at Bonga (in Himachal region)
Meals: Breakfast, Lunch, Dinner
Start before dawn. The climb to Borasu Pass is steep and snow-covered, requiring use of ice axes and possibly ropes depending on conditions. At the summit, witness dramatic views into both Uttarakhand and Himachal. The descent into Kinnaur is sharp and rocky. You’ll enter a whole new landscape on the other side of the pass.
Day 8: Bonga to Chitkul (3,450 M)
Ending the Trek at chitkul say goodbye and take beautiful memories to home 🏡
Trek: 13 km / 6–7 hrs
Stay: Guesthouse in Chitkul that is your own cost not including the package (last village of India)
Meals: Breakfast, Lunch,
A beautiful and gradually descending trail that takes you through pine forests, grazing pastures, and vibrant wildflowers. You’ll reach Chitkul, the last inhabited village before the Indo-Tibetan border. Enjoy the wooden houses, local culture, and roaring Baspa River.
Bid farewell to the mountains with your heart full of adventure. From Chitkul, you can head toward Shimla, Manali, or arrange transport to Dehradun via Sangla and Rohru.
Why Choose the Borasu Pass Trek?
- Cross from Uttarakhand to Himachal Pradesh on foot
- One of the least explored and most adventurous high-altitude passes
- Offers diverse terrain – rivers, alpine meadows, moraines, glaciers, and forests
- Breathtaking views of Swargarohini, Kinnaur Kailash, and Baspa Valley
- Perfect for experienced trekkers seeking a thrilling trans-Himalayan route