Étang Onistagan is a Lake located in Duhamel; Papineau, Quebec and has an elevation of 307 meters.

• Latitude: 45° 58' 47'' North   (decimal: 45.9797222)
• Longitude: 75° 22' 17'' West   (decimal: -75.3713889)
• Topography Feature Category: Lake
• Geographical Feature: Étang
• Canadian Province/Territory: Quebec
• Elevation: 307 meters
• Location: Duhamel; Papineau
• Atlas of Canada Locator Map: Étang Onistagan
• GPS Coordinate Locator Map: Étang Onistagan Lat/Long