One of the smallest districts in the country adjoins Paro, Chukha and Samtse with an area of 1706 sq.km. People of the valley once had the belief that all natural things, such as plants, animals, rocks, thunder and earthquakes, have spirits and can influence human events. Still some events of that tradition exist and demonstrated during the festivals and rituals. In the 8th century Guru Padmasambawa visited the valley to transform the animist tradition into peaceful Buddhist tradition. One of the forceful animist deities was Ap chundu who was subdued by Guru and made the guardians of the land.

Wangchulo Dzong:
The Gongzim Ugyen Dorji, the Grandfather of the Royal Grandmother Ashi Kezang Choden Wangchuck have commissioned the construction of the Dzong The structure of the dzong resembles the Wangdicholing palace in Bumthang that was the seat of the 1st and 2nd Kings.

Tagchu Goemba:
This temple was founded by Dali Lam Sangay Gyatso who served as the abbot of Nub Dali Dzong in Tibet. People believe that the temple is thus modeled on the lines of the Nub dali Dzong. It is located in Lungsekha village in Isu gewog.

Lhakang karpo and Nakpo:
It’s located in the small village called Dumchoe. The lhakang karpo will be identified with its white glowing walls and the later with its grayish black walls. The temples are situated in the foothills of three identical mountains called rigsum gonpo. The stories behind the formation of the mountain and the building of the temples were fascinating. Legends say they represent the essence of wisdom, knowledge and Subjugation but one may draw your own religious moral here. The attractive pilgrims spot in the region.