Halfmoon Bay is a Bay located in Renfrew, Ontario and has an elevation of 307 meters.

• Latitude: 45° 18' 59'' North   (decimal: 45.3163888)
• Longitude: 77° 35' 1'' West   (decimal: -77.5836111)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 307 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Halfmoon Bay
• GPS Coordinate Locator Map: Halfmoon Bay Lat/Long