 With an area of , Siling Lake is the second largest saltwater lake in the northern Tibetan Plateau and forms part of the Siling Co National Nature Reserve (also Selincuo Reserve or Xainza Nature Reserve).The reserve was established in 1993 and contains significant populations of black-necked cranes and some 120 species of birds in total.Tibetan sheep, wild donkey, argali, snow leopards, bar-headed goose, etc., also inhabit the county.