Lac Saint-Thomas is a Lake located in Amherst; Les Laurentides, Quebec and has an elevation of 250 meters.

• Latitude: 46° 0' 7'' North   (decimal: 46.0019444)
• Longitude: 74° 46' 56'' West   (decimal: -74.7822222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 250 meters
• Location: Amherst; Les Laurentides
• Atlas of Canada Locator Map: Lac Saint-Thomas
• GPS Coordinate Locator Map: Lac Saint-Thomas Lat/Long