Humphrey Marsh is a Low vegetation located in Frontenac, Ontario and has an elevation of 272 meters.

• Latitude: 44° 50' 51'' North   (decimal: 44.8475000)
• Longitude: 77° 2' 3'' West   (decimal: -77.0341666)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marsh
• Canadian Province/Territory: Ontario
• Elevation: 272 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Humphrey Marsh
• GPS Coordinate Locator Map: Humphrey Marsh Lat/Long