Lac Entonnoir is a Lake located in Lac-Croche; La Jacques-Cartier, Quebec and has an elevation of 357 meters.

• Latitude: 47° 24' 21'' North   (decimal: 47.4058333)
• Longitude: 72° 7' 42'' West   (decimal: -72.1283333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 357 meters
• Location: Lac-Croche; La Jacques-Cartier
• Atlas of Canada Locator Map: Lac Entonnoir
• GPS Coordinate Locator Map: Lac Entonnoir Lat/Long