Lac Long-Tom is a Lake located in Nominingue; Antoine-Labelle, Quebec and has an elevation of 422 meters.

• Latitude: 46° 24' 54'' North   (decimal: 46.415)
• Longitude: 75° 12' 40'' West   (decimal: -75.2111111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 422 meters
• Location: Nominingue; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Long-Tom
• GPS Coordinate Locator Map: Lac Long-Tom Lat/Long