Petit lac du Castor is a Lake located in Lac-Huron; Rimouski-Neigette, Quebec and has an elevation of 471 meters.

• Latitude: 48° 4' 14'' North   (decimal: 48.0705929)
• Longitude: 68° 18' 57'' West   (decimal: -68.3158507)
• Topography Feature Category: Lake
• Geographical Feature: Lac
• Canadian Province/Territory: Quebec
• Elevation: 471 meters
• Location: Lac-Huron; Rimouski-Neigette
• Atlas of Canada Locator Map: Petit lac du Castor
• GPS Coordinate Locator Map: Petit lac du Castor Lat/Long