Barrage Tomasine is a Hydraulic construction located in Lac-Pythonga; La Vallée-de-la-Gatineau, Quebec.

• Latitude: 46° 51' 36'' North   (decimal: 46.8600619)
• Longitude: 76° 29' 12'' West   (decimal: -76.4866268)
• Topography Feature Category: Hydraulic construction
• Geographical Feature: Barrage
• Canadian Province/Territory: Quebec
• Location: Lac-Pythonga; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Barrage Tomasine
• GPS Coordinate Locator Map: Barrage Tomasine Lat/Long