Barrage Eustis is a Hydraulic construction located in Waterville; Coaticook, Quebec.

• Latitude: 45° 18' 26'' North   (decimal: 45.3072645)
• Longitude: 71° 52' 50'' West   (decimal: -71.8806495)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Waterville; Coaticook
• GPS Coordinate Locator Map: Barrage Eustis Lat/Long