Upper Grindstone Lake is a Lake located in Algoma, Ontario and has an elevation of 452 meters.

• Latitude: 46° 43' 2'' North   (decimal: 46.7172222)
• Longitude: 83° 19' 38'' West   (decimal: -83.3272222)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 452 meters
• Location: Algoma
• Atlas of Canada Locator Map: Upper Grindstone Lake
• GPS Coordinate Locator Map: Upper Grindstone Lake Lat/Long