Rivière-Étamamiou is a Unincorporated area located in Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord, Quebec.

• Latitude: 50° 16' 4'' North   (decimal: 50.2678372)
• Longitude: 59° 58' 11'' West   (decimal: -59.9697387)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Location: Côte-Nord-du-Golfe-du-Saint-Laurent; Basse-Côte-Nord
• GPS Coordinate Locator Map: Rivière-Étamamiou Lat/Long