Muddy Gully is a Lake located in Harbour Main-Bell Island, Newfoundland and Labrador and has an elevation of 180 meters.

• Latitude: 47° 21' 51'' North   (decimal: 47.3641666)
• Longitude: 53° 8' 19'' West   (decimal: -53.1386111)
• Topography Feature Category: Lake
• Geographical Feature: Gully
• Canadian Province/Territory: Newfoundland and Labrador
• Elevation: 180 meters
• Location: Harbour Main-Bell Island
• Atlas of Canada Locator Map: Muddy Gully
• GPS Coordinate Locator Map: Muddy Gully Lat/Long