Lac Marianne is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 429 meters.

• Latitude: 48° 12' 13'' North   (decimal: 48.2036111)
• Longitude: 72° 43' 10'' West   (decimal: -72.7194444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 429 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Marianne
• GPS Coordinate Locator Map: Lac Marianne Lat/Long