Lac Thompson is a Lake located in Madawaska, New Brunswick and has an elevation of 278 meters.

• Latitude: 47° 16' 39'' North   (decimal: 47.2775597)
• Longitude: 68° 37' 53'' West   (decimal: -68.6312619)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: New Brunswick
• Elevation: 278 meters
• Location: Madawaska
• Atlas of Canada Locator Map: Lac Thompson
• GPS Coordinate Locator Map: Lac Thompson Lat/Long