While going in for a trek from Tila Lotni to Biskeri Ridge one has to cross a Frozen lake, and the term “Sar” refers to a frozen Lake. The place is visited by many people as a route of trek. The Sar pass is located in the Parvati valley in the Indian state of Himachal Pradesh. The trek to Sar Pass which is inkulluis usually organized by the Youth Hostels, every year. The Trek to the Sar pass is considered to be one of the most challenging and difficult treks in India.