Lac Tommy is a Lake located in Lac-Walker; Sept-Rivières, Quebec and has an elevation of 510 meters.

• Latitude: 50° 39' 52'' North   (decimal: 50.6644444)
• Longitude: 66° 47' 42'' West   (decimal: -66.795)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 510 meters
• Location: Lac-Walker; Sept-Rivières
• Atlas of Canada Locator Map: Lac Tommy
• GPS Coordinate Locator Map: Lac Tommy Lat/Long