Trashiyangtse Dzong is built on a ridge past which the Dongdi chu flows. Terton Pema Lingpa built the dzong in the 15^th century when he came across the ruins of the old Dongdi Dzong. The utse’s main relic is a statue of Chuchizey (Avaloketshvara). It was renovated in 1975. Other relics include a statue of Zhabdrung Ngawang Namgyal, Guru Padmasambhava, Lord Budhha, etc. Trashiyangtse Dzong was renovated and sanctified by His Holiness the Je Khenpo Trulku Jigme Choeda in 2005.