East Castor River is a River located in Russell, Ontario and has an elevation of 67 meters.

• Latitude: 45° 16' 5'' North   (decimal: 45.2680555)
• Longitude: 75° 17' 26'' West   (decimal: -75.2905555)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Ontario
• Elevation: 67 meters
• Location: Russell
• Atlas of Canada Locator Map: East Castor River
• GPS Coordinate Locator Map: East Castor River Lat/Long