Little Grassy River is a River located in Rainy River, Ontario and has an elevation of 333 meters.

• Latitude: 48° 58' 33'' North   (decimal: 48.9758333)
• Longitude: 94° 27' 29'' West   (decimal: -94.4580555)
• Topography Feature Category: River
• Geographical Feature: River
• Canadian Province/Territory: Ontario
• Elevation: 333 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Little Grassy River
• GPS Coordinate Locator Map: Little Grassy River Lat/Long