 The remains of the Dingma Monastery, an 11th-century Kadampa monastery, are located on a hill in the Oyuk Valley.It was founded by Ram Dingma Deshek Jungne, a student of Geshe Potowa.The Gongon Lhakhang temple, in Oyuk Township, was said to be built by Songtsen Gampo, and frequented by Padmasambhava and his students Namkhai Nyingpo and King Trisong Detsen in the 8th century.