Laka Glacier Trek Route Guide: Har Ki Dun Region Trail Guide

Introduction

The Laka Glacier trek is a lesser-known extension trail within the Har Ki Dun valley system of Uttarakhand's Govind Wildlife Sanctuary, offering trekkers a quieter, more raw alternative to the main Har Ki Dun trek. Sitting above the tree line near the base of the Swargarohini peaks, Laka Glacier rewards trekkers with close-up glacier views and a genuinely wild high-altitude landscape, without the crowds that the main Har Ki Dun trail sees during peak season. This route guide covers the trail from the Taluka roadhead through to the glacier and back, section by section.

Getting to the Trailhead

The trek begins at Taluka, a small village reachable by road from Sankri, the main base for treks in this region. From Dehradun, it's roughly a 10-hour drive to Sankri, followed by a short additional drive or trek to Taluka. Sankri itself sits at around 1,920m and serves as the last point with reliable guesthouses, mobile network, and supplies before heading into the more remote sections of the Govind Wildlife Sanctuary.

Day 1: Taluka to Osla/Seema

From Taluka (1,850m), the trail follows the Supin River through dense forest of deodar and pine, gaining gentle elevation over roughly 12 kilometres to reach the twin villages of Osla and Seema (2,560m). This stretch of trail is shared with the main Har Ki Dun route and is well-marked, passing through several small hamlets where local Garhwali communities still follow traditional wooden architecture. This is typically the longest walking day of the trek in terms of distance, though the gradient stays comfortably moderate throughout.

Day 2: Osla/Seema to Har Ki Dun

The trail continues along the river, climbing more noticeably as it approaches the Har Ki Dun valley (3,566m), a wide bowl-shaped meadow surrounded by peaks including Swargarohini and Bandarpoonch. This day covers approximately 11 kilometres with an elevation gain of about 1,000 metres. Har Ki Dun serves as the base camp from which the Laka Glacier extension trail branches off, making this the key junction point of the route.

Day 3: Har Ki Dun to Laka Glacier

This is the highlight day of the trek and the section that distinguishes it from the standard Har Ki Dun itinerary. From the Har Ki Dun meadow, the trail climbs steeply above the tree line toward the base of the Swargarohini massif, covering roughly 5-6 kilometres one way with a gain of around 700-800 metres to reach viewpoints near the Laka Glacier snout at approximately 4,300m. The terrain here shifts from grassy meadow to loose scree and moraine, and the final approach to the glacier viewpoint requires careful, steady footing rather than technical climbing skill. On clear mornings, the close-up views of the glacier tongue and the sheer granite walls of Swargarohini I, II, and III make this the most dramatic stretch of the entire route.

Return Route

Most itineraries return from the Laka Glacier viewpoint to Har Ki Dun the same day, then retrace the route back through Osla/Seema to Taluka over the following two days. A full circuit typically takes 6 days round trip from Taluka, though fit trekkers with an early start can occasionally compress the return into 5 days.

Best Time for the Laka Glacier Trek

May to June and September to October are the recommended windows. Late spring brings blooming rhododendron forest in the lower sections and generally stable weather for the glacier approach, while autumn offers the clearest visibility of the Swargarohini range and drier trail conditions. Monsoon months (July-August) bring the risk of landslides on the river-hugging lower trail and should be avoided. Winter access is extremely difficult due to heavy snowfall closing both the approach road to Sankri and the upper trail sections; only highly experienced winter trekkers with proper gear should consider it, and even then typically only as far as Har Ki Dun itself rather than the glacier extension.

Difficulty of the Laka Glacier Extension

While the base Har Ki Dun trek is graded easy-moderate, the Laka Glacier extension pushes the overall difficulty to moderate-challenging. The additional day above the tree line involves scree and moraine terrain, thinner air at over 4,000m, and generally colder, windier conditions than the sheltered valley below. Trekkers should have prior experience with at least one moderate Himalayan trek, comparable to what's needed for routes like Dayara Bugyal, before attempting the glacier extension specifically.

Why Trek to Laka Glacier Instead of Just Har Ki Dun

Many trekkers complete the standard Har Ki Dun trek and turn back without realizing the glacier extension exists, missing what is arguably the most visually striking part of the entire valley system. The close proximity to the sheer Swargarohini walls and an actual glacier snout — features you don't get on the standard Har Ki Dun meadow trek alone — make the extra day a worthwhile addition for trekkers with the fitness and time to spare. It transforms a pleasant valley trek into a genuine high-altitude glacier experience, comparable in reward to the summit views on treks like Kuari Pass, though reached via a very different terrain profile.

Cost and Logistics for the Route

A guided 6-day Laka Glacier trek from Sankri typically costs between INR 9,000 and 14,000 per person, covering camping equipment, meals from Taluka onward, and a local guide familiar with the glacier extension trail, which is far less defined than the main Har Ki Dun path. Independent trekkers can reduce this by arranging their own camping gear and food, but given the remoteness of the Govind Wildlife Sanctuary and the lack of reliable mobile network beyond Sankri, a local guide is strongly recommended for the glacier extension specifically, where the trail becomes faint across moraine sections. Forest permits are required to enter the sanctuary and are usually arranged by trek operators or available at the forest checkpost in Sankri. For a detailed cost comparison against the standard route, see our Har Ki Dun trek cost guide.

Wildlife and Landscape Along the Route

The Govind Wildlife Sanctuary, through which this entire route passes, is home to Himalayan tahr, musk deer, and occasionally snow leopard signs at higher elevations, though sightings are rare given the terrain. The lower forest sections around Taluka and Osla showcase dense deodar stands typical of western Garhwal, while the transition above Har Ki Dun into alpine meadow and finally glacial moraine offers one of the most complete ecological cross-sections available on a single trekking route in this part of Uttarakhand.

Conclusion

The Laka Glacier trek route builds on the well-established Har Ki Dun trail, adding a dramatic above-treeline extension to the base of the Swargarohini peaks. For trekkers who've done Har Ki Dun before or want a more complete high-altitude experience in the Govind Wildlife Sanctuary, this route offers genuine glacier scenery with a moderate step up in difficulty that remains achievable for reasonably fit, previously-trekked hikers.