Lac Lessing is a Lake located in Rapides-des-Joachims; Pontiac, Quebec and has an elevation of 296 meters.

• Latitude: 46° 14' 59'' North   (decimal: 46.2497817)
• Longitude: 77° 37' 16'' West   (decimal: -77.6211368)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 296 meters
• Location: Rapides-des-Joachims; Pontiac
• Atlas of Canada Locator Map: Lac Lessing
• GPS Coordinate Locator Map: Lac Lessing Lat/Long