Roches à Zéphirin-Saint-Pierre is a Island located in Saint-Antoine-de-l'Isle-aux-Grues; Montmagny, Quebec and has an elevation of 4 meters.

• Latitude: 47° 5' 59'' North   (decimal: 47.0997449)
• Longitude: 70° 29' 49'' West   (decimal: -70.4970210)
• Topography Feature Category: Island
• Geographical Feature: Roches
• Canadian Province/Territory: Quebec
• Elevation: 4 meters
• Location: Saint-Antoine-de-l'Isle-aux-Grues; Montmagny
• Atlas of Canada Locator Map: Roches à Zéphirin-Saint-Pierre
• GPS Coordinate Locator Map: Roches à Zéphirin-Saint-Pierre Lat/Long