Lac Thériault is a Lake located in Saint-Côme; Matawinie, Quebec and has an elevation of 400 meters.

• Latitude: 46° 16' 43'' North   (decimal: 46.2786110)
• Longitude: 73° 41' 13'' West   (decimal: -73.6869444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 400 meters
• Location: Saint-Côme; Matawinie
• Atlas of Canada Locator Map: Lac Thériault
• GPS Coordinate Locator Map: Lac Thériault Lat/Long