Lac Windfall is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 396 meters.

• Latitude: 49° 5' 29'' North   (decimal: 49.0913889)
• Longitude: 75° 38' 25'' West   (decimal: -75.6402778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 396 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Windfall
• GPS Coordinate Locator Map: Lac Windfall Lat/Long