Lac Thomas is a Lake located in Lac-Ministuk; Le Fjord-du-Saguenay, Quebec and has an elevation of 426 meters.

• Latitude: 48° 14' 16'' North   (decimal: 48.2377778)
• Longitude: 71° 35' 12'' West   (decimal: -71.5866667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 426 meters
• Location: Lac-Ministuk; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Thomas
• GPS Coordinate Locator Map: Lac Thomas Lat/Long