Located on a hilltop overlooking the Drangmechu River.
The dzong was built by the third Druk Desi Migyur Tenpa as prophesied by Zhabdrung Ngawang Namgyal in 1659. It is also referred to as the fortress of the Auspicious Mound. The dzong was built to spread the Drukpa rule over the eight regions of the east (Sharchog Khorlo Tsib Gyed). The dzong houses the statue of Drubthob Thangtong Gyalpo sculptured by himself and many different temples, including a goenkhang. The fortress also consists of the monastic body of Trashigang district and the district administration.
Rangjung Woesel Choling Goemba
Located in Rangjung town.
The goemba was founded by Dungse Garab Rinpoche in 1989. It has a unique architecture and it is said to be a replica of Bod Mendrupling. The goemba houses gomdey (monastic school). It is the main seat of Dungse Garab Rinpoche.