Lac McKay is a Lake located in Denholm; La Vallée-de-la-Gatineau, Quebec and has an elevation of 217 meters.

• Latitude: 45° 53' 33'' North   (decimal: 45.8924999)
• Longitude: 75° 52' 10'' West   (decimal: -75.8694444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 217 meters
• Location: Denholm; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac McKay
• GPS Coordinate Locator Map: Lac McKay Lat/Long