Rivière Gamache is a River located in L'Île-d'Anticosti; Minganie, Quebec and has an elevation of 65 meters.

• Latitude: 49° 49' 26'' North   (decimal: 49.8238889)
• Longitude: 64° 19' 44'' West   (decimal: -64.3288889)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Elevation: 65 meters
• Location: L'Île-d'Anticosti; Minganie
• Atlas of Canada Locator Map: Rivière Gamache
• GPS Coordinate Locator Map: Rivière Gamache Lat/Long