Lac Tomkin is a Lake located in Lac-du-Cerf; Antoine-Labelle, Quebec and has an elevation of 240 meters.

• Latitude: 46° 20' 54'' North   (decimal: 46.3483333)
• Longitude: 75° 27' 32'' West   (decimal: -75.4588889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 240 meters
• Location: Lac-du-Cerf; Antoine-Labelle
• Atlas of Canada Locator Map: Lac Tomkin
• GPS Coordinate Locator Map: Lac Tomkin Lat/Long