Lac à Gaston is a Lake located in Saint-Tite-des-Caps; La Côte-de-Beaupré, Quebec.

• Latitude: 47° 17' 16'' North   (decimal: 47.2877979)
• Longitude: 70° 45' 0'' West   (decimal: -70.7500879)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Tite-des-Caps; La Côte-de-Beaupré
• Atlas of Canada Locator Map: Lac à Gaston
• GPS Coordinate Locator Map: Lac à Gaston Lat/Long