Rewalsar Lake, also known as Tso Pema, is a mid-altitude lake located in the mountains of the Mandi district in Himachal Pradesh, India. It is located 22.5 km south-west from the town of Mandi, at an elevation of about 1,360 metres above sea level, with a shoreline of about 735 m. Rewalsar Lake is a sacred spot for Hindus, Sikhs and Buddhists, and sacred to Tibeta…Rewalsar Lake, also known as Tso Pema, is a mid-altitude lake located in the mountains of the Mandi district in Himachal Pradesh, India. It is located 22.5 km south-west from the town of Mandi, at an elevation of about 1,360 metres above sea level, with a shoreline of about 735 m. Rewalsar Lake is a sacred spot for Hindus, Sikhs and Buddhists, and sacred to Tibetan Buddhists for the Vajrayana practices of Padmasambhava and Mandarava, which are credited for the lake's creation.