Coteau-Mauvais-Riz is a Unincorporated area located in Cap-Saint-Ignace; Montmagny, Quebec and has an elevation of 63 meters.

• Latitude: 47° 1' 13'' North   (decimal: 47.0202998)
• Longitude: 70° 25' 53'' West   (decimal: -70.4314628)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Hameau
• Canadian Province/Territory: Quebec
• Elevation: 63 meters
• Location: Cap-Saint-Ignace; Montmagny
• Atlas of Canada Locator Map: Coteau-Mauvais-Riz
• GPS Coordinate Locator Map: Coteau-Mauvais-Riz Lat/Long