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The Bali Pass Trek is one of Uttarakhand's premier high-altitude crossover expeditions, linking the Har Ki Dun valley with the sacred Yamunotri basin across Bali Pass at approximately 16,207 ft. The route traverses ancient villages, alpine meadows, dense forests, and the beautiful Ruinsara Tal before entering rugged glacial terrain near the pass.
The crossing involves steep ascents, exposed snow slopes, loose scree, and demanding high-altitude conditions, requiring strong fitness and previous Himalayan trekking experience. Throughout the journey, trekkers enjoy exceptional views of Swargarohini, Black Peak (Kalanag), Bandarpoonch, and surrounding Garhwal peaks.
Suitable only for experienced trekkers, Bali Pass offers one of the most rewarding crossover expeditions in the Indian Himalayas.
Duration
Max Altitude
Difficulty
Best Time
Trek Distance
Stargazing
Class 1 Dark Sky
Scent Profile
Silence Level
~25 dB
Vertigo Factor
5 / 10
Environment
The ancient direct route connecting the Yamuna and Tons valleys. The pass offers a 360-degree 'God's eye' view of the Swargarohini, Bandarpunch, and Kalanag massifs.
— Local folklore
Concludes at Yamunotri, one of the Char Dham holy sites.
🕐 Shrine Timings: 06:00 AM - 08:00 PM (Yamunotri Temple)
Technical Details
A demanding expedition dominated by extreme joint & muscle impact.
Personal Readiness
Planning
10-hour drive from Dehradun to Sankri
Return drive from Janki Chatti is 7 hours
Base Village
Sankri (Start) / Janki Chatti (End)
6,400 ft
Nearest Railhead
Rishikesh
Nearest Airport
Jollygrant Airport
Last ATM
Purola (Not reliable). Withdraw in Dehradun.
Nearest Medical Facility
Mori PHC (22 km) / Uttarkashi District Hospital
Mobile Signal
BSNL/Jio at Sankri. Spotty signal at Osla. Zero coverage for the remaining 5 days across the pass.
Water Sources
Abundant water in Har Ki Dun valley (Tons river). Odar (cave) camp near the pass has a reliable melt-stream. Filter mandatory.
Charging
Available at Sankri (Base). Extremely limited solar/hydro charging at Osla village (courtesy). None at high camps.
Road Condition
Road from Purola to Sankri is narrow and prone to monsoon blocks; expect delays.
Purola
Don't miss the Garhwali Chaunsa
Buy specialized diet items at Dehradun / Mussoorie
Top Vlog Spots
Video Calls
base-only
Est. 15 Mbps
UPI Reliability
2/10
Base WiFi Available
Bali Pass is a multi-valley crossover and requires permits from two different forest ranges: Govind Wildlife Sanctuary (Sankri side) and the Yamunotri Forest Division. Permits are issued at the Netwar gate and registration at the Sankri and Janki Chatti police posts is mandatory. Indian nationals need a valid photo ID and a medical fitness certificate. Foreigners must provide passport/visa copies. Due to the technical nature of the pass, forest guards may occasionally check for specialized gear (microspikes/ropes) before allowing the crossing.
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Deep Dives
Editor's Notes
Bali Pass is not just a 'Pass'. It's a bridge between two historical civilizations of the Supin and Yamuna valleys.
The 60-degree descent is the closest a trekker gets to an actual Mountaineering Expedition without technical climbing.
8-day route reaching 16,207ft. Covers 48km of varied terrain.
→ See full itinerary with altitude profileRated challenging. Variable. Forest floor to glaciated boulders, ending in high-altitude snow fields and a technical 60-degree descent.
→ See difficulty breakdown and fitness guidePackages range from ₹18,500 – ₹32,500. Inclusions and hidden costs vary by operator tier.
→ See full cost breakdownIt is non-technical but the final ridge crossing at 16,200 ft is very narrow and steep, requiring steady nerves.
It connects the Tons river valley (Har Ki Dun side) to the Yamuna river valley (Yamunotri side).
Yes, Ruinsara lake is a major and beautiful camping highlight on the first half of the trek.
Yes, absolutely. The descent on the Yamunotri side is extremely steep and icy; microspikes and trekking poles are mandatory.
No. It is a hard trek and requires prior high-altitude experience and excellent endurance.
Janki Chatti at the end of the trek or Purola back at the base.
Odari means "cave". It is a rocky shelter used as a camp before the final pass crossing.
None. You are in deep wilderness for 6-7 days until you reach Janki Chatti.
Route Intelligence
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