Tso-Pema Ogyen Heru-kai Nyingmapa Gompa, popularly known as Nyingmapa, is situated on the banks of
Rewalsar Lake, in
Mandi District of
Himachal Pradesh. It was built in 19th century and features a vast prayer hall. The monastery has a museum which preserves some nice murals.
Drigung Kagyud Gompa, situated nearby, is worth visiting.