Lake Coghinas

Lake Coghinas Lago di Coghinas
Location	Northern Sardinia
Coordinates	40°44′27″N 9°02′32″E / 40.740754°N 9.042091°ECoordinates: 40°44′27″N 9°02′32″E / 40.740754°N 9.042091°E
Type	artificial lake
Primary inflows	Coghinas River, Rio Mannu
Primary outflows	Coghinas River
Basin countries	Italy
Surface area	17.8 km2
Water volume	254,000,000 m3

Lake Coghinas (Italian: Lago di Coghinas) is an artificial lake, in northern Sardinia, Italy, located between the provinces of Sassari and Olbia-Tempio. With a surface of 17.8 km² and a capacity of 254 millions cubic metres of water, it is the second largest lake in the region (second only to Lake Omodeo) and one of the major reservoirs in Italy.

The dam, constructed under Fascism in 1924, is 185 metres long and 58 metres wide. It has the function of water supply, but also it has a hydroelectric power plant.

The lake is the home of a rich ecosystem, and it is become a tourist attraction, around its shores are present a youth hostel, restaurants, a sailing club.