Lac Cassian is a Lake located in Stoneham-et-Tewkesbury; La Jacques-Cartier, Quebec and has an elevation of 614 meters.

• Latitude: 47° 5' 59'' North   (decimal: 47.0997427)
• Longitude: 71° 31' 44'' West   (decimal: -71.5289852)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 614 meters
• Location: Stoneham-et-Tewkesbury; La Jacques-Cartier
• Atlas of Canada Locator Map: Lac Cassian
• GPS Coordinate Locator Map: Lac Cassian Lat/Long