Reach Rock is a Shoal located in Northumberland, Ontario.

• Latitude: 44° 14' 6'' North   (decimal: 44.2349999)
• Longitude: 77° 46' 29'' West   (decimal: -77.7747222)
• Topography Feature Category: Shoal
• Geographical Feature: Rock
• Canadian Province/Territory: Ontario
• Location: Northumberland
• Atlas of Canada Locator Map: Reach Rock
• GPS Coordinate Locator Map: Reach Rock Lat/Long