Les Grands Rapides is a Rapids located in Petit-Mécatina; Minganie, Quebec.

• Latitude: 51° 55' 48'' North   (decimal: 51.9300548)
• Longitude: 57° 51' 10'' West   (decimal: -57.8526827)
• Topography Feature Category: Rapids
• Geographical Feature: Rapides
• Canadian Province/Territory: Quebec
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Les Grands Rapides
• GPS Coordinate Locator Map: Les Grands Rapides Lat/Long