Tsomgo Lake is located in the north eastern part of Sikkim. It is situated 35 km away from Gangtok on the Gangtok–Nathula highway, which makes a role of the erstwhile trade route from India to China. This lake has been worshipped as a holy lake by Sikkimese. The average depth of this lake is about 50 feet and 1 km long.

The cool and tranquil water harmonies with the beautiful scenery around it attract so many visitors. During the winter season, the lake would be in frozen condition. A moderate-sized temple of lord Shiva is present on the lakeshore. Many beautiful flowering plants like primula and other plantations like alpine add beauty to the lake.