Lac Isidore is a Lake located in Auclair; Témiscouata, Quebec and has an elevation of 262 meters.

• Latitude: 47° 46' 41'' North   (decimal: 47.7780848)
• Longitude: 68° 40' 3'' West   (decimal: -68.6675250)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 262 meters
• Location: Auclair; Témiscouata
• Atlas of Canada Locator Map: Lac Isidore
• GPS Coordinate Locator Map: Lac Isidore Lat/Long