Zhemgang
[4] Zhemgang Dzong sits on a ridge that drops steeply down to the mangde chu [river].The founder of the zhemgang dzong is lam Zhang dorje Drakpa who lived in the 12th century A.D and was a renowned scholar-sage of the Drukpa Kagyu school of Buddhism.It is situated atop the peak of a triangular shaped ridge that rises sharply from the mangdeChu, facing the village of Trong and the town of Zhemgang.The earliest name of the Zhemgang Dzong is Khenrig Namsum, actually means the three divisions of Kheng: upper [chikhar], Middle.[Nangkor], and lower [Tamachok] kheng.In 1655 CE, a single Storey dzong was built on the hermitage to defend against invaders led by choestse Penlop.