Lac Ouiatchouan is a Lake located in Lac-Bouchette; Le Domaine-du-Roy, Quebec and has an elevation of 320 meters.

• Latitude: 48° 16' 22'' North   (decimal: 48.2727778)
• Longitude: 72° 11' 2'' West   (decimal: -72.1838889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 320 meters
• Location: Lac-Bouchette; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Ouiatchouan
• GPS Coordinate Locator Map: Lac Ouiatchouan Lat/Long