Lac Montplaisir is a Lake located in Trois-Rivières; Trois-Rivières, Quebec and has an elevation of 29 meters.

• Latitude: 46° 24' 5'' North   (decimal: 46.4013888)
• Longitude: 72° 29' 25'' West   (decimal: -72.4902777)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 29 meters
• Location: Trois-Rivières; Trois-Rivières
• Atlas of Canada Locator Map: Lac Montplaisir
• GPS Coordinate Locator Map: Lac Montplaisir Lat/Long