Lac Thom is a Lake located in Saint-Félix-d'Otis; Le Fjord-du-Saguenay, Quebec.

• Latitude: 48° 18' 25'' North   (decimal: 48.3069444)
• Longitude: 70° 45' 0'' West   (decimal: -70.75)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Félix-d'Otis; Le Fjord-du-Saguenay
• GPS Coordinate Locator Map: Lac Thom Lat/Long