MacGregor Bay is a Bay located in Renfrew, Ontario and has an elevation of 105 meters.

• Latitude: 45° 51' 27'' North   (decimal: 45.8574999)
• Longitude: 77° 11' 41'' West   (decimal: -77.1947222)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 105 meters
• Location: Renfrew
• Atlas of Canada Locator Map: MacGregor Bay
• GPS Coordinate Locator Map: MacGregor Bay Lat/Long