Lac à Jos-Gagnon is a Lake located in Rivière-Bonjour; Matane, Quebec.

• Latitude: 48° 53' 26'' North   (decimal: 48.8905555)
• Longitude: 66° 36' 2'' West   (decimal: -66.6005555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Rivière-Bonjour; Matane
• Atlas of Canada Locator Map: Lac à Jos-Gagnon
• GPS Coordinate Locator Map: Lac à Jos-Gagnon Lat/Long