Gun Lake Marsh is a Low vegetation located in Nipissing, Ontario and has an elevation of 378 meters.

• Latitude: 45° 33' 37'' North   (decimal: 45.5602777)
• Longitude: 77° 51' 1'' West   (decimal: -77.8502777)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marsh
• Canadian Province/Territory: Ontario
• Elevation: 378 meters
• Location: Nipissing
• Atlas of Canada Locator Map: Gun Lake Marsh
• GPS Coordinate Locator Map: Gun Lake Marsh Lat/Long