Kartsakhi Lake

Kartsakhi Lake Georgian: კარწახის ტბა Turkish: Aktaş Gölü
View of the lake from the Georgian side
Kartsakhi Lake Show map of Samtskhe-Javakheti Kartsakhi Lake Show map of Georgia (country)
Coordinates	41°12′54″N 43°13′16″E / 41.21500°N 43.22111°E / 41.21500; 43.22111Coordinates: 41°12′54″N 43°13′16″E / 41.21500°N 43.22111°E / 41.21500; 43.22111
Catchment area	158 km2 (61 sq mi)
Basin countries	Georgia, Turkey
Surface area	26.3 km2 (10.2 sq mi)
Max. depth	1 m (3 ft 3 in)
Water volume	19.3 km3 (4.6 cu mi)
Salinity	880 ‰
Surface elevation	1,800 m (5,900 ft)

Kartsakhi Lake (Georgian: კარწახის ტბა, karts'akhis tba), or Lake Khozapini (Georgian: ხოზაფინის ტბა, khozap'inis tba; Turkish: Hazapin Gölü), or Lake Aktaş (Turkish: Aktaş Gölü), is a lake in the Caucasus Mountains. It sits on the international border between Georgia (53%) and Turkey (47%).

It is the second largest lake in Georgia, covering an area of 26.3 or 26.6 square kilometres at an altitude of 1799 m. An important bird habitat, it holds one of the largest populations of Eurasian eagle-owl in the country, with the Dalmatian pelican and great white pelican. The village of Kartsakhi lies near its northeastern bank.