Lac Deer is a Lake located in Denholm; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 45° 52' 47'' North   (decimal: 45.8796999)
• Longitude: 75° 45' 54'' West   (decimal: -75.7650000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Denholm; La Vallée-de-la-Gatineau
• GPS Coordinate Locator Map: Lac Deer Lat/Long