It is spread over eight days. The tough trek of Rupin Passjourneys through an area of 52km and reaches an incredible altitude of 15,250 ft. The stunning views of two states, Uttarakhand (from which the trek begins), as well as Himachal Pradesh (where the trek is finished), are among the most memorable aspects of the ruin pass journey that overwhelms you with changing transitions between two distinct cultures and customs.