Mersereaus Brook is a River located in Northumberland, New Brunswick and has an elevation of 39 meters.

• Latitude: 46° 42' 10'' North   (decimal: 46.7027128)
• Longitude: 65° 49' 0'' West   (decimal: -65.8166730)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 39 meters
• Location: Northumberland
• Atlas of Canada Locator Map: Mersereaus Brook
• GPS Coordinate Locator Map: Mersereaus Brook Lat/Long