Chatyr-Köl (Kyrgyz: Чатыр-Көл, Russian: Чатыр-Куль, romanized: Chatyr-Kul') is an endorheic alpine lake in the Tian Shan mountains in At-Bashy District of Naryn Province, Kyrgyzstan; it lies in the lower part of Chatyr-Köl Depression near the Torugart Pass border crossing into China.

Some 88-90% of the lake basin's 208–269 mm of annual precipitation falls in summer.

From October to end of April the lake surface freezes, the ice becoming as much as 0.25-1.5 m thick.

The mineral water from the sources is cold and has a strong mineral taste and flow first into the small Chatyr Kul lake that is about 1,5 meters higher than the actual Chatyr Kul.

[8] The game reserve was established to protect water fowl, including the bar-headed goose.