Lac à Arthur is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 258 meters.

• Latitude: 48° 26' 4'' North   (decimal: 48.4344694)
• Longitude: 69° 35' 56'' West   (decimal: -69.5989434)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 258 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac à Arthur
• GPS Coordinate Locator Map: Lac à Arthur Lat/Long