Lac Lyonne is a Lake located in Baie-Sainte-Catherine; Charlevoix-Est, Quebec and has an elevation of 172 meters.

• Latitude: 48° 4' 39'' North   (decimal: 48.0775209)
• Longitude: 69° 49' 58'' West   (decimal: -69.8328349)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 172 meters
• Location: Baie-Sainte-Catherine; Charlevoix-Est
• Atlas of Canada Locator Map: Lac Lyonne
• GPS Coordinate Locator Map: Lac Lyonne Lat/Long