The Pemayangtse Monastery is a Buddhist monastery in Pemayangtse, near Gyalshing city in Gyalshing district in the northeastern Indian state of Sikkim, located 6 km from Gyalshing city, the district headquarters, 110 km west of Gangtok. Planned, designed and founded by Lama Lhatsun Chempo in 1647, it is one of the oldest and premier monasteries of Sikkim, also the most famous in Sikkim. Originally started as a small Lhakhang, it was subsequently enlarged during the reign of the third Chogyal Chakdor Namgyal and Khenchen Rolpai Dorjee in the year 1705 and consecrated by the third Lhatsun Chenpo Dzogchen Jigme Pawo in the year 1710 C.E. The monastery follows the Nyingma Order of Tibetan Buddhism and controls all other monasteries of that Order in Sikkim. The monks of this monastery are normally chosen from the Bhutias of Sikkim.

Dubdi Monastery, occasionally called Yuksom Monastery, is a Buddhist monastery of the Nyingma sect of Tibetan Buddhism near Yuksom, in the Geyzing subdivision of West Sikkim district, in eastern India.