Lac Siret is a Lake located in Lac-Legendre; Matawinie, Quebec and has an elevation of 486 meters.

• Latitude: 46° 43' 3'' North   (decimal: 46.7175431)
• Longitude: 74° 20' 48'' West   (decimal: -74.3465515)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 486 meters
• Location: Lac-Legendre; Matawinie
• Atlas of Canada Locator Map: Lac Siret
• GPS Coordinate Locator Map: Lac Siret Lat/Long