Grassy Narrows Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 484 meters.

• Latitude: 49° 8' 30'' North   (decimal: 49.1416666)
• Longitude: 90° 9' 54'' West   (decimal: -90.1649999)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 484 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Grassy Narrows Lake
• GPS Coordinate Locator Map: Grassy Narrows Lake Lat/Long