Lac Lonlay is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 453 meters.

• Latitude: 49° 1' 46'' North   (decimal: 49.0294444)
• Longitude: 74° 49' 50'' West   (decimal: -74.8305555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 453 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Lonlay
• GPS Coordinate Locator Map: Lac Lonlay Lat/Long