Lac Bonneau is a Lake located in Cap-Chat; La Haute-Gaspésie, Quebec.

• Latitude: 49° 1' 49'' North   (decimal: 49.0303220)
• Longitude: 66° 53' 11'' West   (decimal: -66.8863631)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Cap-Chat; La Haute-Gaspésie
• GPS Coordinate Locator Map: Lac Bonneau Lat/Long