Lac Donsil is a Lake located in Lac-Legendre; Matawinie, Quebec and has an elevation of 429 meters.

• Latitude: 46° 38' 47'' North   (decimal: 46.6464298)
• Longitude: 74° 12' 31'' West   (decimal: -74.2084922)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 429 meters
• Location: Lac-Legendre; Matawinie
• Atlas of Canada Locator Map: Lac Donsil
• GPS Coordinate Locator Map: Lac Donsil Lat/Long