Lac Montagnez is a Lake located in Lac-Ashuapmushuan; Le Domaine-du-Roy, Quebec and has an elevation of 577 meters.

• Latitude: 48° 55' 53'' North   (decimal: 48.9313889)
• Longitude: 73° 48' 23'' West   (decimal: -73.8063889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 577 meters
• Location: Lac-Ashuapmushuan; Le Domaine-du-Roy
• Atlas of Canada Locator Map: Lac Montagnez
• GPS Coordinate Locator Map: Lac Montagnez Lat/Long