Lac Ruyseh is a Lake located in Nouveau-Québec (territoire); Nord-du-Québec, Quebec.

• Latitude: 54° 26' 10'' North   (decimal: 54.4361111)
• Longitude: 67° 33' 44'' West   (decimal: -67.5622222)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Nouveau-Québec (territoire); Nord-du-Québec
• Atlas of Canada Locator Map: Lac Ruyseh
• GPS Coordinate Locator Map: Lac Ruyseh Lat/Long