Lac Montreuil is a Lake located in Saint-Maurice; Les Chenaux, Quebec.

• Latitude: 46° 29' 35'' North   (decimal: 46.4930555)
• Longitude: 72° 35' 26'' West   (decimal: -72.5905555)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Saint-Maurice; Les Chenaux
• Atlas of Canada Locator Map: Lac Montreuil
• GPS Coordinate Locator Map: Lac Montreuil Lat/Long