Lac Arthur is a Lake located in Saint-Alexis-des-Monts; Maskinongé, Quebec and has an elevation of 472 meters.

• Latitude: 46° 49' 36'' North   (decimal: 46.8267003)
• Longitude: 73° 19' 18'' West   (decimal: -73.3217988)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 472 meters
• Location: Saint-Alexis-des-Monts; Maskinongé
• Atlas of Canada Locator Map: Lac Arthur
• GPS Coordinate Locator Map: Lac Arthur Lat/Long