Lac Gamache is a Lake located in Rivière-aux-Outardes; Manicouagan, Quebec and has an elevation of 297 meters.

• Latitude: 49° 32' 47'' North   (decimal: 49.5463889)
• Longitude: 67° 33' 29'' West   (decimal: -67.5580556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 297 meters
• Location: Rivière-aux-Outardes; Manicouagan
• Atlas of Canada Locator Map: Lac Gamache
• GPS Coordinate Locator Map: Lac Gamache Lat/Long