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Ertso Lake
Ertso Lake
Ertso Lake
Coordinates	42°28′13″N 43°45′08″E / 42.47028°N 43.75222°E / 42.47028; 43.75222
Catchment area	5.85 km (2.26 sq mi)
Basin countries	Georgia
Surface area	0.31 km (0.12 sq mi)
Average depth	2.1 m (6 ft 11 in)
Max. depth	19 m (62 ft)
Water volume	0.65 million cubic metres (23×10^ cu ft)
Surface elevation	1,710 m (5,610 ft)

Ertso Lake (Georgian: ერწოს ტბა) is a karst lake in the Java Municipality, Shida Kartli region of Georgia. Located in Qvirila river basin, north-west side of the Ertso-Tsona depression, at 1710 m above sea level. Lake Ertso is the biggest known karst lake in Georgia. The area of surface is 0.31 km, while the catchment area is 5.85 km. Average depth is 2,1 m, maximal depth is 19 m. The shape of the shore line is complicated. Three permanent rivers inflows of the lake. Lake Ertso extends in a roughly longitudinal direction. Four sinkholes are filled with water. Gets its feed from snow, rainfall and underground waters. The lake surface water temperature is 23–25 °C. The water level is high during May and June and is low during August and September. The lake freezes for almost 5 months in winter. Lake Ertso is included in the "Red List of Georgia". The village of Ertso is located eastern side.

See also

• List of lakes of Georgia

References

1. Levan Maruashvili, Physical Geography of Georgia (in georgian), p. 66. Tbilisi, "Tsodna", 1964.
2. Ilia Apkhazava, Encyclopedia Georgia (multi-volume edition), third volume, p. 95, Tbilisi, 2014
3. Orthographic dictionary of geographic names of Georgian, p. 64, Tbilisi, 2009
4. ^ Ilia Apkhazava. Lakes of Georgia (in russian), pp. 124–127, Tbilisi, "Metsniereba", 1975
5. Red Book of Georgia (in georgian), p. 218, Tbilisi, "Sabchota Saqartvelo", 1982

v t e Lakes of Georgia
Eastern Georgia	Main lakes Bazaleti Ertso Jandari Khozapini Keli Khanchali Kumisi Lisi Madatapa Paravani Saghamo Tabatskuri Turtle Lake Others Archvebi Bateti Biketi Bughdasheni Grdzeli Great Jaji Kakhisi Lamazi Lesser Jaji Levani's Mrude Nakhevartba Qochebi Tsunda Vachiani Zreski
Western Georgia	Main lakes Paliastomi Ritsa Others Anishkhtsara Bebesiri Chalaubani Derikvaraadzishi Devi Gagida Gorafi Imnati Inkiti Japana Amtkeli Smaller Ritsa Mtsvane Mzi Nuri Oqrotskali Papantskvili Tobavarchkhili Tsisferi

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