The Lake Izvorul Muntelui, also known as Lake Bicaz, is the largest^[1] artificial lake on the interior waters of Romania; it was created after the completion of a dam built on the river Bistrița. The dam is located a few kilometers north of the town of Bicaz.

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Quick Facts Location, Coordinates ...

Lake Izvorul Muntelui
Lake Izvorul Muntelui
Location	Romania
Coordinates	47.01959°N 26.05408°E / 47.01959; 26.05408
Type	artificial lake
Primary inflows	Bistrița River
Primary outflows	Bistrița River
Basin countries	Romania
Max. length	40 km (25 mi)
Max. width	2 km (1.2 mi)
Surface area	31 km2 (12 sq mi)
Max. depth	97 m (318 ft)
Water volume	1,250 billion cubic metres (1.01×109 acre⋅ft) (max)
Settlements	Bicaz port, Potoci

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The dam was built between 1950 and 1960 and is used to generate hydroelectricity at the Bicaz-Stejaru Hydroelectric Power Station. It has a height of 127 m (417 ft), a length of 435 m (1,427 ft), and a maximum width of 119 m (390 ft). The lake has a length of 40 km (25 mi), an area of 31 km² (12 sq mi)^[1] and a maximum volume of 1,250 billion m³.

The lake is a tourist destination in the region, especially in summertime, when visitors take the ferryboat from the Bicaz port for a short trip on the lake, and to view Mount Ceahlău on the west shore.

In the 1960s and 1970s there was regular ferry service between the Bicaz port and the villages on the lake shore.

At Potoci, a few kilometers north of the town of Bicaz, there is a biological research facility, equipped with a small submersible used for underwater exploration. The facility was visited by the marine biologist Jacques-Yves Cousteau in 1984.