Lac du Gros Buck is a Lake located in Senneterre; Vallée-de-l'Or, Quebec.

• Latitude: 48° 10' 28'' North   (decimal: 48.1745197)
• Longitude: 75° 36' 39'' West   (decimal: -75.6107274)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Senneterre; Vallée-de-l'Or
• Atlas of Canada Locator Map: Lac du Gros Buck
• GPS Coordinate Locator Map: Lac du Gros Buck Lat/Long