Gurudongmar Lake is one of the highest lakes in the world and in India, located at an altitude of 5,425 m (17,800 ft), in the Indian state of Sikkim.
The road from Thangu to Gurudongmar passes through rugged terrain with moraine, which has high alpine pastures covered with many rhododendron trees.
The lake remains completely frozen in the winter months, from November to Mid-May.
