Lac Mackay is a Lake located in Duparquet; Abitibi-Ouest, Quebec and has an elevation of 283 meters.

• Latitude: 48° 28' 35'' North   (decimal: 48.4763888)
• Longitude: 79° 7' 21'' West   (decimal: -79.1225000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 283 meters
• Location: Duparquet; Abitibi-Ouest
• Atlas of Canada Locator Map: Lac Mackay
• GPS Coordinate Locator Map: Lac Mackay Lat/Long