Explanation:

Unta Dhura Topidunga has a peculiar location and name. Situated in a bowl it resembles an inverted hat (Topi) of rocks. Before the 1962 war, the communities of northern Kumaon and Garhwal were some of the most prosperous in the Himalaya. Their prosperity owed to a thriving trade with Tibetan villages just across the many passes that score the Himalayan range in this region. Some of these passes have fallen into disuse while others are often frequented by trekkers. But the trek from the Girthi valley in Garhwal to the Johar valley in Kumaon over the historic Unta Dhura pass has to be one of the best going. Only a half-dozen or so trekking parties have done this crossing