Let the ruins of this dzong tell you a tale of how Bhutanese warriors defended Bhutan from the invaders from the north in the 17th century. This dzong was built by Zhabdrung Ngawang Namgyal in 1646, to commemorate his victory over the Tibetan invaders. Though largely destroyed by fire in 1951, the outer walls and the central tower remain an imposing sight. On a clear day, treat yourself with a splendid view of Mt. Jumolhari from the approach road to Drukgyel Dzong.