The Bum La Pass is one of the most offbeat places in Arunachal Pradesh. Being a pass it was famous as a trading route in old days and now it is famous for being an official Indo-Sino border personnel meeting point. The route to Bum La Pass from Tawang through the snow covered mountains is a trip to remember. It is also the route through which the great Dalai Lama escaped from China to take refuge in India. The Bum La Pass is famous for its monument named Heap of Stone that depicts the might of the guardian Himalayas. Other sightseeing spot is the Sangestar Tso Lake, a popular tourist spot. With all of these present the Bum La Pass is a must visit for every tourists and roadway is the only way to it.