This trek, also known as the Shepherds trail trek, is limited to people experienced in travel in rugged backcountry and with good know-how of hiking and camping. One of the more challenging routes, it takes one from the lush green Kullu valley to the stark landscapes of Bara Bhangal range. But for the trouble, it is a very fruitful trek that people looking for an isolated, in-tune-with-nature routes.