Tsomgo Lake, also known as Changu Lake is a glacial lake in Sikkim and located at an altitude of 12,310 feet. The name Tsomgo means 'Source of water'. It's located 40kms from Gangtok town and on the steep route known as Jawaharlal Nehru Road which leads all the way to Nathula Pass. This is one of the few and awesome high altitude lakes in India. The lake becomes doubly attractive with the reflections of the surrounding hills on the water. From Gangtok which is at 5410 ft, the altitude rises to a