Lac Willy is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 404 meters.

• Latitude: 50° 10' 53'' North   (decimal: 50.1813889)
• Longitude: 74° 2' 18'' West   (decimal: -74.0383333)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 404 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Willy
• GPS Coordinate Locator Map: Lac Willy Lat/Long