Lac Ion is a Lake located in Cascades-Malignes; La Vallée-de-la-Gatineau, Quebec and has an elevation of 285 meters.

• Latitude: 46° 49' 10'' North   (decimal: 46.8194444)
• Longitude: 76° 1' 32'' West   (decimal: -76.0255556)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 285 meters
• Location: Cascades-Malignes; La Vallée-de-la-Gatineau
• Atlas of Canada Locator Map: Lac Ion
• GPS Coordinate Locator Map: Lac Ion Lat/Long