Grimshaw Lake is a Lake located in Rainy River, Ontario and has an elevation of 423 meters.

• Latitude: 48° 58' 12'' North   (decimal: 48.9700000)
• Longitude: 93° 4' 30'' West   (decimal: -93.0749999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 423 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Grimshaw Lake
• GPS Coordinate Locator Map: Grimshaw Lake Lat/Long