|Max. length||45 km (28 mi)|
|Max. width||0.7 km (0.43 mi)|
|Surface area||12.5 km2 (4.8 sq mi)|
|Max. depth||188 m (617 ft)|
|Surface elevation||675 m (2,215 ft)|
Lake Piva (Pivsko jezero) is a reservoir in Montenegro. It is located in the northwest part of the country, in Plužine Municipality. The surface of the lake is 12.5 km², the length is 45 km, and the maximum depth is 188 m. The elevation is 675 m from the sea level, making it the most elevated artificial reservoir in the world.
The artificial lake is the result of the construction of Mratinje Dam on the Piva river. On the bottom of the lake there is the old town Plužine; Piva Monastery was also there, but it has been relocated. The new location of the monastery is 8 km from Plužine, and 3.5 km away from the original location of the monastery. The relocation has started in 1969 and finished in 1982.
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