Borasu Pass Trek (8N-9D; 28000/ head)

Borasu Pass Trek: A Prestigious High-Altitude Crossover from Uttarakhand to Himachal

The Borasu Pass Trek is widely regarded as one of the most prestigious and challenging cross-over treks in the Indian Himalayas, known for its technical terrain, vast glaciers, and ancient trade routes. Situated at a staggering altitude of 17,880 ft, Borasu Pass acts as a high-altitude bridge connecting the lush Tons Valley of Uttarakhand to the rugged and stark Baspa Valley in Himachal Pradesh.

Located near the Indo-China border, this trek is best suited for experienced trekkers and high-altitude enthusiasts seeking a raw Himalayan adventure that pushes physical and mental limits. The trail offers a dramatic transition in landscapes, starting from the dense alpine forests of blue pine and cedar in Har Ki Dun and moving into the lunar-like, rocky terrain of the Kinnaur region.

The journey follows an ancient trade artery used for centuries by the villagers of Osla and Gangaad to trade with the people of Chitkul and Sangla. In the lower sections, the route is filled with cultural heritage and scenic beauty, passing through the iconic “Cradle-shaped” Har Ki Dun valley, surrounded by the massive Swargarohini peaks.

As trekkers gain altitude, the terrain becomes significantly more technical, featuring steep ascents over moraine and glaciers. The most challenging section is the summit push, which involves navigating a technical “Ice Wall” and snow slopes using micro-spikes and crampons. Strong winds, sub-zero temperatures, and thin air at nearly 18,000 feet make this a true test of mountaineering skill.

One of the major highlights of the Borasu Pass Trek is the spectacular view from the summit, where trekkers can see the vast expanse of the Kinnaur ranges on one side and the Garhwal Himalayas on the other. The descent into the Himachal side leads through the beautiful Rani Kanda meadows, ending at Chitkul—the last Indian village on the border.

The Borasu Pass Trek is approximately 67 km long and generally takes 8 to 9 days to complete. The route is visually diverse, introducing trekkers to everything from high-altitude grazing grounds (Ratta Tho) home to Himalayan Ibex, to the legendary “Last Indian Dhaba” at the road head.

Despite its high difficulty level, the Borasu Pass Trek rewards trekkers with a profound sense of achievement and a rare opportunity to cross state borders over one of the highest navigable passes in the region. It is a soulful journey that demands respect for the mountains and peak physical readiness.

Peaks & Scenic Highlights

During the trek, trekkers witness spectacular views of the Garhwal and Kinnaur mountain ranges along with dramatic glaciers and ancient valleys.

Major highlights of the trek include:

• Har Ki Dun Valley (Cradle of the Himalayas)

• Swargarohini Peak Views

• Borasu Pass Summit (17,880 ft)

• Jaundhar Glacier & Maninda Tal

• Ratta Tho (Red Stone) Meadows

• Baspa Valley & Rani Kanda

• Chitkul (The Last Indian Village)

Wildlife & Nature on the Trek

The lower sections of the trek are rich in biodiversity, featuring thick forests of cedar and blue pine. As you ascend to Ratta Tho, trekkers may spot high-altitude wildlife such as the Himalayan Ibex and Blue Sheep in their natural grazing grounds.

As the altitude increases past the tree line, the vegetation becomes sparse, giving way to alpine flowers in the meadows before transforming into a world of ice, snow, and rock at the pass.

Borasu Pass Trek Best Time

• Best overall experience: May to June & September to October

• Snow & Glacier experience: Late May and early June

• Clear mountain views: Post-monsoon (September and October)

The weather at 17,880 ft is highly unpredictable; trekkers must be prepared for extreme cold and sudden weather shifts even during peak seasons.

Must-Know for Borasu Pass Trek

• Best Time to Visit: May – June & Sept – Oct

• Days Required: 8 – 9 Days

• Trek Length: ~67 Km

• Maximum Altitude: 17,880 feet

• Difficulty Level: Difficult

• Base Camp: Sankri (Uttarakhand)

• Nearest Airport: Jolly Grant Airport, Dehradun

• Highlights: Cross-state trek, Ice wall climbing, Har Ki Dun valley, Indo-China border proximity.

Plan Your Borasu Pass Trek with Places to Visit India

At Places to Visit India, we offer professionally managed trekking packages for the Borasu Pass, ensuring the highest safety standards for this technical crossing.

Our treks include:

✔ Transportation assistance (Dehradun to Dehradun)

✔ Accommodation (Hotel in Sankri & High-altitude tents)

✔ All meals during the trek (Nutritious veg menu)

✔ Expert Trek Leader & local technical guides

✔ Safety gear (Crampons, ropes, oxygen cylinders)

✔ Forest permits and sanctuary entry fees

✔ Complete on-ground logistics

Borasu Pass Trek Price: ₹28,000

📞 Call or WhatsApp: 99291 07926 / 96363 44415 to plan your Borasu Pass adventure.