Locally known as the Tashi Thongmon Dzong, the fortress served as a defending barrack in the 17^th It was named after the region’s protecting deity Tashi Thongmon. The fortress is unique with a circular shape and three watch towers that are placed at strategic points. The beauty of the dzong is heightened during clear days with view of Mt. Gangboom. Time your trip there during the annual autumn festival.