Lac Serpent is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 491 meters.

• Latitude: 48° 51' 43'' North   (decimal: 48.8619444)
• Longitude: 74° 9' 54'' West   (decimal: -74.165)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 491 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Serpent
• GPS Coordinate Locator Map: Lac Serpent Lat/Long