Shashur Monastery is a Tibetan Buddhist monastery of the Drugpa sect in Lahaul valley, Lahaul and Spiti district, Himachal Pradesh, northern India. It is located 3 km away from Kyelang, the district headquarters. In the local dialect, the word 'shashur' means 'amidst blue pines', and refers to the location of this monastery on a pine-covered mountain. The monastery was established by a lama from Ladakh called Dawa Gyatsho in the 17th century. The monastery is known for its annual Tseshe festival, held between June and July.