Lake Çıldır (Turkish: Çıldır Gölü; Georgian: ჩრდილი, ჩრდილის ტბა, Črdilis tba, meaning lake of shadows, Armenian: Ծովակ Հիւսիսոյ, Tsovak Hyusiso, meaning small sea of the north, Armenian: Պաղկացի լիճ, Paghkatsi lich, meaning cold lake), is a large freshwater lake in the provinces of Ardahan and Kars in northeastern Turkey. It is located close to the borders with Georgia and Armenia. Lake Çıldır is located at an elevation of approximately 1,959 m and is surrounded by a mountainous region. It has an area of 123 km2 and a maximum depth of about 42 m. Water from the lake is used for irrigation. The lake freezes over in the winter.
The area around the lake is primarily used for livestock farming, with little vegetation present and absence of agriculture due to harsh conditions.
