Gereaux Rock is a Shoal located in Algoma, Ontario.

• Latitude: 46° 15' 41'' North   (decimal: 46.2613888)
• Longitude: 83° 35' 4'' West   (decimal: -83.5844444)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Location: Algoma
• Atlas of Canada Locator Map: Gereaux Rock
• GPS Coordinate Locator Map: Gereaux Rock Lat/Long