Lake Zaysan (Kazakh: Зайсан көлі, Zaysan köli, زايسان كؤلئ; Mongolian: Зайсан нуур, Zaisan nuur, ~noble lake, Russian: Озеро Зайсан, Ozero Zajsan; simplified Chinese: 斋桑泊; traditional Chinese: 齋桑泊; pinyin: Zhāisāng Pō, Xiao'erjing: جَىْصْا پْ; Dungan: Җэсонпə) is a freshwater lake, ca.