Lac Lafontaine is a Lake located in Saint-Tharcisius; La Matapédia, Quebec and has an elevation of 303 meters.

• Latitude: 48° 31' 42'' North   (decimal: 48.5283795)
• Longitude: 67° 16' 52'' West   (decimal: -67.2810989)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 303 meters
• Location: Saint-Tharcisius; La Matapédia
• Atlas of Canada Locator Map: Lac Lafontaine
• GPS Coordinate Locator Map: Lac Lafontaine Lat/Long