Lac Isidore is a Lake located in Mansfield-et-Pontefract; Pontiac, Quebec and has an elevation of 211 meters.

• Latitude: 45° 55' 27'' North   (decimal: 45.9241667)
• Longitude: 76° 45' 34'' West   (decimal: -76.7594444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 211 meters
• Location: Mansfield-et-Pontefract; Pontiac
• Atlas of Canada Locator Map: Lac Isidore
• GPS Coordinate Locator Map: Lac Isidore Lat/Long