Qinghai Hu (chĭngˈhĪˈ hō) [key] or Koko Nor kōkō nōr, salt lake, c.1,625 sq mi (4,210 sq km), in the Tibetan highlands, NE Qinghai prov., China; one of the largest lakes in China. At an altitude of 10,515 ft (3,205 m), it is shallow and brackish and of little economic value.
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