Mather I Creek is a River located in Rainy River, Ontario and has an elevation of 352 meters.

• Latitude: 48° 43' 47'' North   (decimal: 48.7297222)
• Longitude: 93° 56' 32'' West   (decimal: -93.9422222)
• Topography Feature Category: River
• Geographical Feature: Creek
• Canadian Province/Territory: Ontario
• Elevation: 352 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Mather I Creek
• GPS Coordinate Locator Map: Mather I Creek Lat/Long