Grassy Lake is a Lake located in Thunder Bay, Ontario and has an elevation of 226 meters.

• Latitude: 48° 20' 39'' North   (decimal: 48.3441666)
• Longitude: 88° 48' 30'' West   (decimal: -88.8083333)
• Topography Feature Category: Lake
• Geographical Feature: Lake
• Canadian Province/Territory: Ontario
• Elevation: 226 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Grassy Lake
• GPS Coordinate Locator Map: Grassy Lake Lat/Long