Lac Montreuil is a Lake located in Baie-James; Jamésie, Quebec and has an elevation of 234 meters.

• Latitude: 50° 12' 19'' North   (decimal: 50.2052778)
• Longitude: 77° 39' 51'' West   (decimal: -77.6641667)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 234 meters
• Location: Baie-James; Jamésie
• Atlas of Canada Locator Map: Lac Montreuil
• GPS Coordinate Locator Map: Lac Montreuil Lat/Long