Lac Planchon is a Lake located in Rapides-des-Joachims; Pontiac, Quebec and has an elevation of 371 meters.

• Latitude: 46° 17' 4'' North   (decimal: 46.2845055)
• Longitude: 77° 48' 10'' West   (decimal: -77.8028103)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 371 meters
• Location: Rapides-des-Joachims; Pontiac
• Atlas of Canada Locator Map: Lac Planchon
• GPS Coordinate Locator Map: Lac Planchon Lat/Long