Lac Saint-Thomas is a Lake located in Stoneham-et-Tewkesbury; La Jacques-Cartier, Quebec and has an elevation of 480 meters.

• Latitude: 47° 7' 1'' North   (decimal: 47.1169640)
• Longitude: 71° 26' 45'' West   (decimal: -71.4459299)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 480 meters
• Location: Stoneham-et-Tewkesbury; La Jacques-Cartier
• Atlas of Canada Locator Map: Lac Saint-Thomas
• GPS Coordinate Locator Map: Lac Saint-Thomas Lat/Long