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Bamsaru Khal Pass

Explore Bamsaru Khal Pass in Uttarkashi - Full guide on location, how to reach, best time to visit, and trekking details through Har Ki Dun and Ruinsara Valley


Bamsaru Khal Pass is a stunning high-altitude mountain pass located in the Uttarkashi district of Uttarakhand, India. It lies at an elevation of around 4,700 metres (15,420 feet) above sea level and serves as a natural link between the Har Ki Dun valley in Uttarkashi and the Ruinsara Valley in the upper Tons region.

This lesser-known but adventurous trek is part of the Govind Pashu Vihar National Park, which is rich in biodiversity and offers panoramic views of majestic Himalayan peaks like Swargarohini, Bandarpoonch, and Black Peak (Kala Nag). The trek is remote, untouched, and ideal for those looking to experience raw Himalayan beauty away from commercial routes.

Where is Bamsaru Khal Pass Located?

Bamsaru Khal Pass is situated in the Garhwal Himalayas in the Uttarkashi district of Uttarakhand. It lies within the Govind National Park, a protected area known for its alpine meadows, glacial valleys, and rare Himalayan wildlife.

The pass forms a trail between two picturesque valleys:

  • Har Ki Dun Valley (starting from Sankri village in Uttarkashi)
  • Ruinsara Valley (leading towards Osla and Taluka regions)

It is close to the borders of Himachal Pradesh and Tibet, making it a strategic and adventurous path for trekkers. Due to its high altitude and challenging terrain, the pass is mainly used by experienced trekkers and shepherds.

How to Reach Bamsaru Khal Pass?

To reach Bamsaru Khal Pass, one must first travel to Sankri, the base village for many treks in the region, including Har Ki Dun and Kedarkantha.

Step-by-Step Travel Guide:

  1. By Air:
    • The nearest airport is Jolly Grant Airport, Dehradun, about 200 km from Sankri.
    • From the airport, you can hire a taxi or take a bus to reach Sankri via Dehradun and Purola.
  2. By Train:
    • The nearest railway station is Dehradun Railway Station.
    • From Dehradun, take a shared cab or bus to Sankri (approx. 10–12 hours by road).
  3. By Road:
    • Sankri is well-connected by road with Dehradun, Mussoorie, and Purola.
    • Buses and shared taxis operate regularly from Dehradun to Sankri via Mori and Netwar.

Trekking Route Overview:

Once you reach Sankri, your trekking journey begins. Here's a basic itinerary outline:

  • Day 1: Sankri to Taluka (by jeep) and trek to Osla village
  • Day 2: Osla to Har Ki Dun valley
  • Day 3: Har Ki Dun to Bamsaru Khal base camp
  • Day 4: Cross Bamsaru Khal Pass to reach the other side (Ruinsara side)
  • Day 5–6: Descend towards Seema or Devsu Bugyal and return to Taluka

Best Time to Visit Bamsaru Khal Pass

The best time to visit Bamsaru Khal Pass is during the summer and post-monsoon months when the weather is stable, and the trail is free from heavy snow.

Ideal Months:

  • May to mid-July:
    The snow begins to melt, and the meadows are lush and colourful with wildflowers. This is a good time for snow lovers as the upper trails still have snow patches.
  • Mid-September to October:
    The skies are clear, and the weather is dry, making it perfect for photography and long trekking days. Autumn brings golden hues to the landscape, making the journey magical.

Avoid These Months:

  • Monsoon (late July to August):
    The region receives heavy rainfall, which causes landslides, slippery trails, and flooding of rivers, making it unsafe.
  • Winter (November to April):
    Heavy snowfall blocks the route, and temperatures drop significantly, often below -10°C, making it extremely challenging and dangerous.

This trek is difficult and requires good fitness and prior trekking experience due to glacier crossings, snow-covered trails, and steep ascents.

Trek Highlights and What to Expect

  • Scenic Beauty: The trail passes through dense forests of pine and deodar, high-altitude meadows (bugyals), glacier-fed rivers, and alpine flowers.
  • Cultural Experience: Villages like Osla and Seema offer insights into local life, wooden architecture, and folklore of the ancient Garhwal region.
  • Wildlife and Flora: You may spot Himalayan birds, mountain goats, and possibly the elusive snow leopard or Himalayan black bear within the national park.
  • Adventure: The pass itself is a thrilling challenge with icy slopes, narrow ridgelines, and open views of some of the tallest peaks in Uttarakhand.

Bamsaru Khal Pass is a hidden Himalayan gem for serious trekkers and nature enthusiasts. If you're seeking solitude, adventure, and unspoiled natural beauty, this trek offers all that and more. It’s physically demanding, but the breathtaking views, peaceful trails, and cultural encounters make it a life-changing journey. Plan well, prepare thoroughly, and Bamsaru Khal will reward you with memories that last forever.