Lac Ruthman is a Lake located in Lac-au-Brochet; La Haute-Côte-Nord, Quebec and has an elevation of 412 meters.

• Latitude: 49° 5' 17'' North   (decimal: 49.0880973)
• Longitude: 69° 10' 58'' West   (decimal: -69.1828323)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 412 meters
• Location: Lac-au-Brochet; La Haute-Côte-Nord
• Atlas of Canada Locator Map: Lac Ruthman
• GPS Coordinate Locator Map: Lac Ruthman Lat/Long