Baras Pass Trek

The Borasu Pass Trek, also known as Baras Pass Trek, is one of the most thrilling high-altitude crossover treks in the Indian Himalayas. Connecting the beautiful Har Ki Dun Valley (Uttarakhand) to the remote Baspa Valley (Himachal Pradesh), this trek crosses the majestic Borasu Pass at ~17,800 ft, making it a true expedition-level adventure.

This trek is ideal for experienced trekkers seeking a challenging and offbeat Himalayan journey. Unlike commercial treks, Borasu Pass offers raw wilderness, glacier crossings, remote campsites, and dramatic landscapes that constantly evolve throughout the trek.

The trail begins in the lush green Har Ki Dun valley, passing through ancient Himalayan villages like Osla, dense forests, alpine meadows, and eventually transitions into rugged glacial terrain. As you gain altitude, the landscape becomes stark and dramatic, with snowfields, moraines, and towering peaks surrounding you.

The pass crossing itself is the highlight of the trek, involving steep ascents, snow traverses, and technical sections. From the top, you are rewarded with breathtaking views of Himalayan peaks stretching across Uttarakhand and Himachal.

Due to its remoteness, altitude, and technical difficulty, the Borasu Pass Trek is recommended only for trekkers with prior high-altitude and glacier trekking experience.

Day 1: Dehradun to Sankri (Drive)

Drive through Mussoorie and along the Tons River to reach Sankri, the base village. Enjoy scenic mountain views throughout the journey.

Day 2: Sankri to Taluka & Trek to Seema/Osla

Drive to Taluka and begin trekking along the Supin River. Pass through forests and traditional villages to reach Seema or Osla.

Day 3: Seema/Osla to Har Ki Dun

Trek through the beautiful Har Ki Dun valley, surrounded by snow-capped peaks and lush meadows.

Day 4: Har Ki Dun to Ruinsara Tal

Trek to Ruinsara Tal, a stunning high-altitude lake and an important acclimatization point.

Day 5: Ruinsara Tal to Base Camp

Move towards the base camp of Borasu Pass. The terrain becomes more rugged and alpine.

Day 6–7: Acclimatization & Load Ferry

Spend time acclimatizing and preparing for the pass crossing. Carry loads to higher camps.

Day 8: Borasu Pass Crossing

Start early and ascend towards the pass. The climb involves snowfields and steep sections.

Reach the summit and enjoy panoramic views before descending into the Baspa Valley.

Day 9–10: Descend into Baspa Valley

Continue descending through rocky and glacial terrain. Gradually reach greener landscapes.

Day 11: Reach Chitkul/Sangla

Reach the beautiful Baspa Valley region, known for its scenic villages and landscapes.

Day 12: Drive to Dehradun/Chandigarh

Drive back, marking the end of your trek.