Lac Chassis is a Lake located in Saint-Alexis-des-Monts; Maskinongé, Quebec and has an elevation of 283 meters.

• Latitude: 46° 28' 2'' North   (decimal: 46.4672221)
• Longitude: 73° 4' 38'' West   (decimal: -73.0772221)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 283 meters
• Location: Saint-Alexis-des-Monts; Maskinongé
• Atlas of Canada Locator Map: Lac Chassis
• GPS Coordinate Locator Map: Lac Chassis Lat/Long