Qinghai Lake

Koko Nur/Qinghai

Qinghai Lake, in the Mongolian language Koko Nur (Blue-green Sea), is the largest lake in China. It is sandwiched between Hainan and Haibei Tibetan Autonomous Prefectures in northeastern Qinghai. 23 rivers and streams empty into Qinghai Lake.

At its northeast end are the "Bird Islands" (Cormorant Island and Egg Island), which have been bird sanctuaries of the Qinghai Lake Natural Protection Zone since 1997.

The lake often remains frozen for three months continuously in winter.

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