Tashigang[1][a] (Tibetan: བཀྲ་ཤིས་སྒང་, Wylie: bkra shis sgang, THL: tra shi gang, transl.

Its walls are erected on the top of an isolated rock of solid porphyrite, which crops up from the bottom of the Indus valley like an island drawn out from north to south.

[8] It was at a distance of a day's march from Demchok, which was regarded as the Ladakh–Tibet border since the 17th-century Treaty of Tingmosgang between the two nations.

[14] During the Tibetan Era of Fragmentation, Kyide Nyimagon, a descendant of emperor Langdarma escaped to Western Tibet (then called Ngari or Ngari Khorsum) and established a small kingdom at Rala in the Sengge Zangbo valley close to Tashigang.

A monastery was founded at Tashigang by the New Tantra Tradition school of Rinchen Zangpo during the 10th–11th centuries.

The forces defeated the Ladakhis in Guge, key battles being fought near Rala, and then invaded Ladakh itself.