Petit lac Opalin is a Lake located in Lac-Pikauba; Charlevoix, Quebec.

• Latitude: 47° 37' 57'' North   (decimal: 47.6325)
• Longitude: 70° 57' 16'' West   (decimal: -70.9544444)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Location: Lac-Pikauba; Charlevoix
• GPS Coordinate Locator Map: Petit lac Opalin Lat/Long