Lac Coacoachou is a Lake located in Petit-Mécatina; Minganie, Quebec and has an elevation of 67 meters.

• Latitude: 50° 25' 14'' North   (decimal: 50.4206165)
• Longitude: 60° 13' 53'' West   (decimal: -60.2314125)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 67 meters
• Location: Petit-Mécatina; Minganie
• Atlas of Canada Locator Map: Lac Coacoachou
• GPS Coordinate Locator Map: Lac Coacoachou Lat/Long