Grassy Brook is a River located in Welland, Ontario and has an elevation of 170 meters.

• Latitude: 43° 2' 42'' North   (decimal: 43.0449999)
• Longitude: 79° 6' 51'' West   (decimal: -79.1141666)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: Ontario
• Elevation: 170 meters
• Location: Welland
• Atlas of Canada Locator Map: Grassy Brook
• GPS Coordinate Locator Map: Grassy Brook Lat/Long