Lac Mercredi is a Lake located in Lac-Pikauba; Charlevoix, Quebec and has an elevation of 801 meters.

• Latitude: 47° 36' 35'' North   (decimal: 47.6097222)
• Longitude: 70° 55' 35'' West   (decimal: -70.9263889)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 801 meters
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Lac Mercredi
• GPS Coordinate Locator Map: Lac Mercredi Lat/Long