An ancient trade route between Spiti region of Himachal and Changthang plains of Ladakh and the neighbouring Tibet. The trek begins in Spiti valley and crossing over Prang La into ladakh
Chandra Tal meaning the lake of the moon is situated at an altitude of 4300 meters in the Himalayan region of Spiti valley of Himachal Pradesh. The name of the lake orginates from it crescent shape.