Lac Joyce is a Lake located in Cascades-Malignes; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 47° 18' 46'' North   (decimal: 47.3127778)
• Longitude: 76° 9' 27'' West   (decimal: -76.1575)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Cascades-Malignes; La Vallée-de-la-Gatineau
• GPS Coordinate Locator Map: Lac Joyce Lat/Long