Mainland Brook is a River located in Newfoundland and Labrador and has an elevation of 9 meters.

• Latitude: 48° 34' 48'' North   (decimal: 48.5799999)
• Longitude: 59° 10' 16'' West   (decimal: -59.1711111)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 9 meters
• Atlas of Canada Locator Map: Mainland Brook
• GPS Coordinate Locator Map: Mainland Brook Lat/Long