Lac à Gaston-Bibeau is a Lake located in Saint-François-Xavier-de-Brompton; Le Val-Saint-François, Quebec and has an elevation of 252 meters.

• Latitude: 45° 31' 27'' North   (decimal: 45.5241666)
• Longitude: 72° 6' 29'' West   (decimal: -72.1080555)
• Topography Feature Category: Lake
• Geographical Feature: Lac artificiel
• Canadian Province/Territory: Quebec
• Elevation: 252 meters
• Location: Saint-François-Xavier-de-Brompton; Le Val-Saint-François
• Atlas of Canada Locator Map: Lac à Gaston-Bibeau
• GPS Coordinate Locator Map: Lac à Gaston-Bibeau Lat/Long