Lac Arc-en-Ciel is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 409 meters.

• Latitude: 48° 15' 37'' North   (decimal: 48.2602778)
• Longitude: 72° 51' 49'' West   (decimal: -72.8636111)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 409 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Arc-en-Ciel
• GPS Coordinate Locator Map: Lac Arc-en-Ciel Lat/Long