Rivière Martineau is a River located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 474 meters.

• Latitude: 49° 18' 4'' North   (decimal: 49.3011111)
• Longitude: 69° 21' 39'' West   (decimal: -69.3608333)
• Topography Feature Category: River
• Geographical Feature: Rivière
• Canadian Province/Territory: Quebec
• Elevation: 474 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Rivière Martineau
• GPS Coordinate Locator Map: Rivière Martineau Lat/Long