Lac Arthur is a Lake located in Mont-Valin; Le Fjord-du-Saguenay, Quebec and has an elevation of 368 meters.

• Latitude: 48° 48' 45'' North   (decimal: 48.8125441)
• Longitude: 71° 19' 58'' West   (decimal: -71.3328692)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 368 meters
• Location: Mont-Valin; Le Fjord-du-Saguenay
• Atlas of Canada Locator Map: Lac Arthur
• GPS Coordinate Locator Map: Lac Arthur Lat/Long