Lac Charles-Guay is a Lake located in L'Île-d'Anticosti; Minganie, Quebec and has an elevation of 58 meters.

• Latitude: 49° 13' 11'' North   (decimal: 49.2197222)
• Longitude: 62° 4' 36'' West   (decimal: -62.0766667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 58 meters
• Location: L'Île-d'Anticosti; Minganie
• Atlas of Canada Locator Map: Lac Charles-Guay
• GPS Coordinate Locator Map: Lac Charles-Guay Lat/Long