In this 13 century built monastery of
Sumthrang, Kangsoel is the main annual event, a tradition left
by the founder Nyoton Trulzhig Chojey who was a great kilaya yogi
(Phurbi nyeljorpa).
He was the only son of Nyo Gyelwa
Lhanangpa who is one of the most earliest Buddhist scholars and practioners to have established monastic school in the country. His father was the first buddhist scholar who have intrduced first establishment of Buddhist monastic complex in the territory of Bhutan by establishing Chelkha dzong in late 12th century, which is also considered as the first dzong in Bhutan.
