Long Marsh is a Valley located in Ferryland, Newfoundland and Labrador and has an elevation of 73 meters.

• Latitude: 46° 48' 22'' North   (decimal: 46.8061111)
• Longitude: 53° 23' 43'' West   (decimal: -53.3952777)
• Topography Feature Category: Valley
• Geographical Feature: Valley
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 73 meters
• Location: Ferryland
• Atlas of Canada Locator Map: Long Marsh
• GPS Coordinate Locator Map: Long Marsh Lat/Long