Big Flat Brook is a River located in Victoria, New Brunswick and has an elevation of 145 meters.

• Latitude: 46° 45' 42'' North   (decimal: 46.7617840)
• Longitude: 67° 35' 31'' West   (decimal: -67.5920811)
• Topography Feature Category: River
• Geographical Feature: Brook
• Canadian Province/Territory: New Brunswick
• Elevation: 145 meters
• Location: Victoria
• Atlas of Canada Locator Map: Big Flat Brook
• GPS Coordinate Locator Map: Big Flat Brook Lat/Long