Lac Thompson is a Lake located in Gore; Argenteuil, Quebec and has an elevation of 370 meters.

• Latitude: 45° 48' 26'' North   (decimal: 45.8072222)
• Longitude: 74° 16' 21'' West   (decimal: -74.2725000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 370 meters
• Location: Gore; Argenteuil
• Atlas of Canada Locator Map: Lac Thompson
• GPS Coordinate Locator Map: Lac Thompson Lat/Long