Second lac Loiseau is a Lake located in Lac-Pikauba; Charlevoix, Quebec and has an elevation of 781 meters.

• Latitude: 47° 58' 37'' North   (decimal: 47.9769444)
• Longitude: 71° 20' 25'' West   (decimal: -71.3402778)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 781 meters
• Location: Lac-Pikauba; Charlevoix
• Atlas of Canada Locator Map: Second lac Loiseau
• GPS Coordinate Locator Map: Second lac Loiseau Lat/Long