Lac Gilardeau is a Lake located in Lac-Lapeyrère; Portneuf, Quebec and has an elevation of 339 meters.

• Latitude: 47° 14' North   (decimal: 47.2333000)
• Longitude: 72° 23' West   (decimal: -72.3833000)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 339 meters
• Location: Lac-Lapeyrère; Portneuf
• Atlas of Canada Locator Map: Lac Gilardeau
• GPS Coordinate Locator Map: Lac Gilardeau Lat/Long