This Nyingmapa Manilakhang is located at Samdong village of lower Dzongu, North Sikkim. It was built in 1960 A.D. by the public of Ngon and Samdong village. The Altar contains big clay idols of Buddha, Chenrezig and Guru Rinpoche along with a brass statue of Lord Buddha flanked by his two disciples. The land measuring 200x200 sq ft was donated by Lt. Kadak Lepcha.

Presently there are 16 monks and 25 Nyamos attending for the periodical pujas. Lt. Pem Choda Lepcha was the first Ponlob of this Manilhakhang.