Mayali Pass trek is one of the famous high altitude treks in Garhwal region. Maximum elevation on this route is approximately 5,200 meter (17,000 feet), which is the altitude of Mayali pass. The trek is graded as moderate to hard. But the beauty of the route is speechless. You will find scenic villages, roaring Bhilangana river, lash green bugyals, river crossing, boulder hopping, snow camping, high altitude lake (the famous Masar Taal and Vasuki Taal), glacier and glacial lake, and lots more en-route. We, a group of 4 members from Kolkata, done this trek during pre-monsoon season, June 6th to June 17th in the year of 2010.