At an altitude of 2730 metres in district Mandi, 40 k.m. from Mandi town.
The deep blue water at this beautiful lake is held sacred to the sage Prashar. A three tiered Pagoda-like temple dedicated to the sage lies by the lake - 'rishi' Prashar is said to have meditated here.
Its remarkable setting is enhanced by a frame of snow draped peaks visible from the lake's edge, the water of the river Sutlej flows due south. The lake side and the near by villages are sites of various festival held at different times of the year