Lake Karsna
Karsna järv (Estonian)
Lake Karsna
Coordinates	57°55′44″N 27°05′39″E / 57.9287624°N 27.0942637°E / 57.9287624; 27.0942637
Basin countries	Estonia
Max. length	620 meters (2,030 ft)
Surface area	17.2 hectares (43 acres)
Average depth	3.1 meters (10 ft)
Max. depth	8.1 meters (27 ft)
Water volume	505,000 cubic meters (17,800,000 cu ft)
Shore length1	1,740 meters (5,710 ft)
Surface elevation	78.8 meters (259 ft)
1 Shore length is not a well-defined measure.

Lake Karsna (Estonian: Karsna järv) is a lake in Estonia. It is located in the village of Lauga in Võru Parish, Võru County.

The lake has an area of 17.2 hectares (43 acres). The lake has an average depth of 3.1 meters (10 ft) and a maximum depth of 8.1 meters (27 ft). It is 620 meters (2,030 ft) long, and its shoreline measures 1,740 meters (5,710 ft). It has a volume of 505,000 cubic meters (17,800,000 cu ft).^[1]

• List of lakes of Estonia