Lac à Jack is a Lake located in Percé; Le Rocher-Percé, Quebec and has an elevation of 31 meters.

• Latitude: 48° 25' 30'' North   (decimal: 48.4250584)
• Longitude: 64° 22' 2'' West   (decimal: -64.3670919)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 31 meters
• Location: Percé; Le Rocher-Percé
• GPS Coordinate Locator Map: Lac à Jack Lat/Long