 Originally a cave in the mountainside, it was built in 1268 by "dpon-chen" Sakya Sangpo in 1268 and restored in the 16th century.It contains some of the most magnificent surviving artwork in all of Tibet, which appears not to have been damaged in recent times.The Gompa grounds cover more than 18,000 square metres, while the huge main hall covers some 6,000 square metres.