Lake Sirio (Italian: Lago Sirio) is a lake in northern Italy. Located between the comunes of Ivrea and Chiaverano, it is the largest of a group of five glacial lakes known as Laghi di Ivrea. The historic Società Canottieri Sirio, founded in 1887, occupies its southern shore.

Lake Sirio
Lake Sirio is located in Piedmont
Lake Sirio
Lake Sirio
LocationMetropolitan City of Turin, Piedmont
Coordinates45°29′13″N 7°53′02″E / 45.48694°N 7.88389°E / 45.48694; 7.88389
Primary inflowsunderwater springs
Catchment area1.4 km2 (0.54 sq mi)
Basin countriesItaly
Max. length0.9 km (0.56 mi)
Max. width0.45 km (0.28 mi)
Surface area0.29 km2 (0.11 sq mi)
Max. depth43.5 m (143 ft)
Shore length13.33 km (2.07 mi)
Surface elevation266 m (873 ft)
1 Shore length is not a well-defined measure.

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