Lac Mornay is a Lake located in Lac-Jacques-Cartier; La Côte-de-Beaupré, Quebec and has an elevation of 967 meters.

• Latitude: 47° 29' 23'' North   (decimal: 47.4897429)
• Longitude: 70° 57' 31'' West   (decimal: -70.9587002)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 967 meters
• Location: Lac-Jacques-Cartier; La Côte-de-Beaupré
• Atlas of Canada Locator Map: Lac Mornay
• GPS Coordinate Locator Map: Lac Mornay Lat/Long