Lac Demers is a Lake located in Lac-Jacques-Cartier; La Côte-de-Beaupré, Quebec and has an elevation of 956 meters.

• Latitude: 47° 39' 35'' North   (decimal: 47.6597222)
• Longitude: 71° 18' 15'' West   (decimal: -71.3041667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 956 meters
• Location: Lac-Jacques-Cartier; La Côte-de-Beaupré
• Atlas of Canada Locator Map: Lac Demers
• GPS Coordinate Locator Map: Lac Demers Lat/Long