Lac Thomas is a Lake located in Saint-Zénon; Matawinie, Quebec and has an elevation of 522 meters.

• Latitude: 46° 32' 45'' North   (decimal: 46.5458718)
• Longitude: 73° 51' 39'' West   (decimal: -73.8607024)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 522 meters
• Location: Saint-Zénon; Matawinie
• Atlas of Canada Locator Map: Lac Thomas
• GPS Coordinate Locator Map: Lac Thomas Lat/Long