Yamdrok Lake (also known as Yamdrok Yumtso or Yamzho Yumco is a freshwater lake in Tibet, it is one of the three largest sacred lakes in Tibet. The lake is surrounded by many snow-capped mountains and is fed by numerous small streams. The lake has an outlet stream at its far western end. Around 90 km to the west of the lake lies the Tibetan town of Gyantse and Lhasa is a hundred km to the northeast. According to local mythology, Yamdok Yumtso lake is the transformation of a goddess.