Tsagaankhairkhan (Mongolian: Цагаанхайрхан, white mountain) is a sum (district) of Uvs Province in western Mongolia.
It is situated in the Khan Khökhii mountains, on the banks of Mondoohei River.
49°24′10″N 94°15′04″E / 49.40278°N 94.25111°E / 49.40278; 94.25111