Cyr's Bay is a Bay located in Rainy River, Ontario and has an elevation of 346 meters.

• Latitude: 48° 51' 0'' North   (decimal: 48.8500000)
• Longitude: 93° 17' 2'' West   (decimal: -93.2838888)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 346 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Cyr's Bay
• GPS Coordinate Locator Map: Cyr's Bay Lat/Long