Barrage Joinville is a Hydraulic construction located in Lac-Ernest; Antoine-Labelle, Quebec.

• Latitude: 46° 18' 37'' North   (decimal: 46.3103279)
• Longitude: 75° 11' 43'' West   (decimal: -75.1952002)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Lac-Ernest; Antoine-Labelle
• Atlas of Canada Locator Map: Barrage Joinville
• GPS Coordinate Locator Map: Barrage Joinville Lat/Long