County Line Reef is a Shoal located in Lunenburg, Nova Scotia and has an elevation of 107 meters.

• Latitude: 44° 38' North   (decimal: 44.6333333)
• Longitude: 64° 49' West   (decimal: -64.8158333)
• Topography Feature Category: Shoal
• Geographical Feature: Reef
• Canadian Province/Territory: Nova Scotia
• Elevation: 107 meters
• Location: Lunenburg
• Atlas of Canada Locator Map: County Line Reef
• GPS Coordinate Locator Map: County Line Reef Lat/Long