Grand lac Matane is a Lake located in Rivière-Bonjour; Matane, Quebec.

• Latitude: 48° 43' 4'' North   (decimal: 48.7178000)
• Longitude: 66° 59' 20'' West   (decimal: -66.9888999)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Bonjour; Matane
• GPS Coordinate Locator Map: Grand lac Matane Lat/Long