Lac de l'Ondatra is a Lake located in Cascades-Malignes; La Vallée-de-la-Gatineau, Quebec and has an elevation of 257 meters.

• Latitude: 46° 47' 34'' North   (decimal: 46.7927778)
• Longitude: 76° 7' 39'' West   (decimal: -76.1275)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 257 meters
• Location: Cascades-Malignes; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac de l'Ondatra
• GPS Coordinate Locator Map: Lac de l'Ondatra Lat/Long