Lac Therrien is a Lake located in Notre-Dame-Auxiliatrice-de-Buckland; Bellechasse, Quebec and has an elevation of 418 meters.

• Latitude: 46° 35' 10'' North   (decimal: 46.5861366)
• Longitude: 70° 36' 29'' West   (decimal: -70.6081322)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 418 meters
• Location: Notre-Dame-Auxiliatrice-de-Buckland; Bellechasse
• Atlas of Canada Locator Map: Lac Therrien
• GPS Coordinate Locator Map: Lac Therrien Lat/Long