The lake surface covers approximately 4.8 square kilometers, though dimensions fluctuate with seasonal glacial melt.
It is frequently cited as the highest lake in the world, though this status is debated due to smaller, higher glacial lakes in the region.
The water contains minimal aquatic life due to its extreme altitude and cold temperatures.
The path leading to the lake is part of the 'Great Himalaya Trail' network.
The lake serves as a physical border between the Manang and Mustang districts of Nepal.
Tilicho Lake is one of the highest altitude lakes in the world, situated at an elevation of approximately 4,919 meters in the Annapurna Range of the Himalayas. The lake is fed by glacial melt from the surrounding Tilicho Peak, Nilgiri, Khangsar, and Muktinath mountains. It is a key highlight for hikers traversing the Manang district of Nepal. The basin is characterized by a stark, high-alpine landscape with minimal vegetation and deep blue, stagnant water. Despite its remote location, it serves as a central feature of the popular Annapurna Circuit extension. Access typically requires trekking from the village of Khangsar through challenging, high-altitude terrain prone to landslides.
The eastern ridge overlooking the lake provides a panoramic view of the basin and the reflection of the surrounding Himalayan peaks.
Acclimatize in Manang for at least two days before attempting the ascent to avoid altitude sickness.
Carry a high-quality water filtration system, as water sources are scarce once you leave the lower trails.
Trek during the shoulder seasons to avoid monsoon rain or heavy winter snow blocking the high passes.
Attempting the trek without proper altitude acclimatization or during the peak monsoon season due to high landslide risk on the trail.
The trail is frequently impassable during the winter months due to heavy snow and during the monsoon season due to landslides.
Respect the sanctity of the high-altitude environment by packing out all waste; avoid bathing in or polluting the lake water.