Lac Gainsmoor is a Lake located in Belleterre; Témiscamingue, Quebec and has an elevation of 356 meters.

• Latitude: 47° 23' 26'' North   (decimal: 47.3905556)
• Longitude: 78° 35' 7'' West   (decimal: -78.5852778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 356 meters
• Location: Belleterre; Témiscamingue
• Atlas of Canada Locator Map: Lac Gainsmoor
• GPS Coordinate Locator Map: Lac Gainsmoor Lat/Long