Lac Hay is a Lake located in Denholm; La Vallée-de-la-Gatineau, Quebec and has an elevation of 336 meters.

• Latitude: 45° 51' 47'' North   (decimal: 45.8630555)
• Longitude: 75° 51' 5'' West   (decimal: -75.8513888)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 336 meters
• Location: Denholm; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Hay
• GPS Coordinate Locator Map: Lac Hay Lat/Long