TREKS · 7-DAY · HARD · MAX 4950M
Bali Pass Trek.
Bali Pass Trek
Bali Pass Trek is a hard 7-day, 55 km trek, topping out at 4,950 m. The route takes in Connects Har Ki Dun and Yamunotri — two iconic valleys; Technical pass crossing at 4950m; Ancient villages of Osla and Seema; Views of Swargarohini, Bandarpoonch, and Kalanag. Best months: May–June and September–October. Watch points: Pass crossing requires crampons, ice axe, and rope; steep snow wall on pass approach — guide mandatory; aMS risk above 4500m — acclimatize properly. Fitness level: extreme, permits required, not recommended for children under 16. Nearest hospital: District Hospital Uttarkashi — 95km from Sankri (start), 80km from Yamunotri (end). No medical help for 4 days mid-trek. Network coverage: BSNL in Sankri and Osla (weak). Zero coverage days 3-5. BSNL returns at Yamunotri.
Warnings
⚠Pass crossing requires crampons, ice axe, and rope
⚠Steep snow wall on pass approach — guide mandatory
⚠AMS risk above 4500m — acclimatize properly
⚠Weather at pass extremely unpredictable
⚠River crossings in Har Ki Dun valley can be tricky
⚠Inner Line Permit required
⚠Not suitable without prior high-altitude pass experience
⚠Emergency evacuation from pass area is extremely difficult
Campsites
Taluka
2,200mVillage homestays. Basic rooms. Pit toilet. Kitchen.
Osla
2,590mVillage homestays. Basic but warm. Meals available.
Ruinsara Tal
3,556mLakeside camping. No facilities. Stunning location.
Bali Pass Base Camp
4,350mRocky campsite. Exposed. Glacier water. Cold.
Dhamatoli
3,800mForest campsite on Yamunotri side. Flat ground. Stream.
Cost Estimate
Operator essential for pass crossing. Rs 30000-40000/person includes guide, cook, porters, camping, safety equipment, transport logistics between Sankri and Barkot.
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