Lac Mackay-Smith is a Lake located in Lac-Croche; La Jacques-Cartier, Quebec and has an elevation of 352 meters.

• Latitude: 47° 29' 15'' North   (decimal: 47.4875337)
• Longitude: 72° 8' 46'' West   (decimal: -72.1462056)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 352 meters
• Location: Lac-Croche; La Jacques-Cartier
• Atlas of Canada Locator Map: Lac Mackay-Smith
• GPS Coordinate Locator Map: Lac Mackay-Smith Lat/Long