Ruinsara Tal with Har Ki Dun Trek

Safety, verified

Safety details last verified 21 Aug 2026 by Madclub.

• Known hazards

  Stone-paved mule track through much of the lower route, uneven and slick when wet, which is the main cause of twisted ankles on this trek; Steep drop-offs to the Supin on sections of the traverse between Seema and Osla, narrow in places and shared with loaded mules; give mules the inside of the trail and stand still while they pass; Loose scree and gravel on the climbs out of the valley floor towards the Har Ki Dun and Ruinsara camps; Old, refrozen snow above the treeline in April and from late October, hard in the morning and slushy by afternoon; Landslide-affected sections on the Ruinsara approach, noted by euttaranchal, and occasional falling stones on the road-cut between Sankri and Taluka after rain; Himalayan black bear presence reported in the Devsu Bugyal forest belt; a camp-discipline and food-storage issue rather than a trail one; Open meadow with no shelter at both Har Ki Dun and Ruinsara, so an afternoon storm means a long exposed walk back to camp

• Best season

  April and May give you the last of the winter snow on the upper sections with the lower forest already clear and the rhododendron coming out, which is the closest this route comes to a snow trek. May and June are the warmest and busiest: days around 10 to 15 C with nights near 0 to 5 C at the higher camps, the valleys green, and afternoon build-up increasingly common by June. September, once the monsoon withdraws, gives the sharpest views of Swargarohini, Bandarpoonch and Kalanag and the cleanest air of the year, with some wildflowers still out early in the month. October and early November are cold, clear and quiet, with days around 5 to 10 C, nights near -5 C, and the first snow arriving on the tops. Himalaya Shelter singles out March and September as the optimum; Himalayan Hikers lists March through June and September through November. The cost of the shoulder months is cold and short daylight; the cost of May and June is crowds and haze.

• Maximum altitude

  11811 ft / 3600 m — Ruinsara Tal. The operator's figure of 11,811 ft / 3,600 m matches Himalayan Hikers exactly and is the most commonly published altitude for the lake, and on this itinerary the lake is genuinely higher than the Har Ki Dun valley floor at 3,566 m / 11,700 ft. The caveat is the day-4 exploration of Har Ki Dun: if that day goes to Maninda (Marinda) Tal or the Jaundhar glacier viewpoint, as most Har Ki Dun itineraries do, the real high point of the trek rises to roughly 3,800 m / 12,467 ft and the stated maximum is then understated by about 650 ft. Independent figures for Ruinsara Tal itself also disagree: euttaranchal gives 3,500 m / 11,483 ft, Himalayan High 3,615 m / 11,860 ft, and Himalaya Shelter 3,790 m / 12,447 ft.

• Getting there

  Railhead Dehradun (DDN), approximately 190 to 200 km from Sankri by road, 8 to 10 hours via Mussoorie, Purola and Mori; airport Jolly Grant, Dehradun (DED), approximately 210 to 225 km from Sankri, 9 to 11 hours by road

• Difficulty

  The operator grades this Easy-Moderate. That is at the soft end but, unlike the Bali Pass listing, it is not indefensible: there is no exposure, no pass, no technical ground and no snow crossing on the standard route, and Himalayan High states outright that the trail has no exposure or fall zone. What pushes it to Moderate is arithmetic rather than danger. Seven walking days averaging 10 km, with several days that lose and regain 600 to 800 m, on stone mule track that is hard on knees; sleeping altitudes above 3,300 m for four or five consecutive nights; and a valley system with a single exit, so that a twisted ankle at Ruinsara is a two-day problem rather than a two-hour one. Independent grades split between Moderate (Himalayan Hikers, Himalayan High) and Easy-Moderate (Himalaya Shelter), with euttaranchal describing the Ruinsara approach as moderate to easy. Moderate is the honest label for someone deciding whether they are fit enough.

• Safety equipment

  50 to 60 litre backpack with a padded hip belt and a rain cover if carrying your own load; 20 to 30 litre daypack if offloading to a mule; Sleeping bag rated to a comfort temperature of about -10 C for the higher camps. Most operators supply one; confirm the rating rather than assuming; Sleeping mat with an R-value of 3 or better if supplying your own; 2 x trekking poles. On a nine-day trek with this much repeated descent they are the single most useful item on the list; Headlamp with fresh batteries plus a spare set; Microspikes for April and late-season departures; confirm whether the operator supplies them

• Guide requirement

  [{'name': 'Govind Pashu Vihar National Park and Wildlife Sanctuary entry and trekking permit', 'issued_by': 'Uttarakhand Forest Department, Govind Pashu Vihar (Supin range)', 'where': 'Forest check post at Sankri, with the formal park entry post at Netwar on the road in; also handled by the Divisional Forest Office at Purola, with online registration through the Uttarkashi forest department portal reported', 'who_arranges': 'operator', 'notes': "Both valleys on this itinerary lie inside Govind Pashu Vihar. Reported fees are about INR 150 per Indian national and INR 600 per foreign national for roughly 3 days, plus camera charges; these come from secondary travel guides rather than a Forest Department tariff notification and should be confirmed at Sankri. Paperwork is verified along the trail as well as at the gate, so carry several photocopies of your ID. A registered local guide is a condition of trekking beyond Sankri, which is why unguided trips on this route do not work in practice. The operator's inclusions state permits and entry fees are covered.", 'source': 'https://himalayatrekker.com/trek-permits-regulations/uttarakhand-trekking-permits-regulations/'}, {'name': 'Camping restriction on alpine and sub-alpine meadows (bugyals)', 'issued_by': 'Uttarakhand High Court order of 2018; set aside in part by the Supreme Court of India on 20 July 2026', 'where': 'Statewide, enforced locally by the Forest Department at Sankri', 'who_arranges': 'operator', 'notes': "The 2018 order stopped overnight camping on the Har Ki Dun meadow itself and pushed the highest camps down to Simatra, Kalkattiyadhar or Boslo, with the valley visited by day; it applies equally to Devsu Bugyal and the Ruinsara meadows. The Supreme Court set aside the overnight-stay direction in July 2026, but no source confirms what Govind Pashu Vihar's range office now permits. Any itinerary promising a night on the Har Ki Dun meadow should be challenged before booking.", 'source': 'https://himalayatrekker.com/trek-permits-regulations/uttarakhand-trekking-permits-regulations/'}, {'name': 'Winter permit restriction (December to February)', 'issued_by': 'Uttarakhand Forest Department, Govind Pashu Vihar', 'where': 'Sankri', 'who_arranges': 'operator', 'notes': 'Himalayan High states that the Forest Department closes the route in January and February, and other operators on the Har Ki Dun side report that no permit is issued from December to February, while some continue to sell winter departures. No Forest Department notification could be read to settle it. Treat any December to February departure as conditional until the Sankri range office confirms the permit for your dates.', 'source': 'https://www.himalayanhigh.in/har-ki-dun-and-ruinsara-tal-trek'}]

• Emergency evacuation

  The Supin is a dead end and that is the governing fact. There is one exit: back down the valley to the road head at Taluka, then 12 km of jeep road to Sankri. From Ruinsara Tal that is roughly 26 to 30 km of walking, realistically a full day for a healthy person and a day and a half or more for someone being carried; from the Har Ki Dun side the distance is comparable. Himalayan High states plainly that the route has a single evacuation path via Taluka and no local hospital. The nearest medical facilities are the community health centres at Mori and Purola, with the district hospital at Uttarkashi far away and real trauma and ICU capability meaning Dehradun, 8 to 10 hours by road from Sankri. Helicopter evacuation is possible in principle from the open meadows, is weather and daylight dependent, needs a cleared landing area, and has to be arranged through the district administration or a private operator against a deposit. Do not plan on it. Plan on being carried out, and buy insurance that explicitly covers trekking above 3,500 m and helicopter evacuation.

• Fitness prerequisite

  Build for six to eight weeks. A workable target is 5 km of running in about 35 minutes, or a 45-minute brisk walk with 400 m of ascent, done comfortably three times a week, plus at least two sessions a week carrying a 6 to 8 kg pack on stairs or a hill. The specific demand of this trek is cumulative: seven consecutive walking days averaging 10 km, with repeated 600 to 800 m descents, is a different thing from one hard day. Independent sources on the combined Har Ki Dun-Ruinsara route suggest at least four weeks of solid preparation as a floor; six to eight is more realistic for a first-timer. Anyone who cannot climb ten flights of stairs without stopping should postpone.

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