Mratinje Dam

Mratinje Dam
Location of Mratinje Dam in Montenegro
Country	Montenegro
Coordinates	43°16′20″N 18°50′30″E / 43.27222°N 18.84167°E / 43.27222; 18.84167Coordinates: 43°16′20″N 18°50′30″E / 43.27222°N 18.84167°E / 43.27222; 18.84167
Status	In use
Construction began	1971
Opening date	1976
Owner(s)	Electric Power Authority of Montenegro
Dam and spillways
Type of dam	Arch, double-curvature
Impounds	Piva River
Height	220 m (722 ft)
Length	268 m (879 ft)
Width (crest)	4.5 m (15 ft)
Width (base)	45 m (148 ft)
Dam volume	732,940 m3 (25,883,532 cu ft)
Reservoir
Creates	Piva Lake
Total capacity	880,000,000 m3 (710,000 acre·ft)
Catchment area	1,757.7 km2 (679 sq mi)
Surface area	12 km2 (5 sq mi)
Power station
Turbines	3 x 120 MW
Installed capacity	360 MW

The Mratinje Dam is a concrete arch dam in the canyon of the Piva River in Montenegro.

The dam was completed in 1975 with designs by Energoprojekt. Its construction resulted in the flooding of the Piva canyon and the creation of Lake Piva, which, with its 12.5 km², is the second largest lake in Montenegro.

The dam is 220 metres (720 ft) high, one of the highest in Europe. The dam is 268 metres (879 ft) long and 4.5 metres (15 ft) thick at the crest, while it is 30 metres (98 ft) long and 36 metres (118 ft) thick at the base. The foundations go as deep as 38 metres (125 ft) into the ground. 820,000 cubic metres (1,070,000 cu yd) of concrete and 5,000 tonnes of steel were built into the dam.

The hydroelectric power station at Mratinje is capable of producing 860 gigawatt-hours per annum. It has three turbines and generators, each with a generation capacity of 120 MW.

The location of the 16th century Piva Monastery was flooded by the lake, so while the dam was built, the monastery was broken into pieces and moved to a higher ground, 3.5 km away. It was reconstructed in the original way.

Dam was used as location for shooting British produced World War II movie Force 10 from Navarone as main tactical target and it was also pictured on a movie poster.