Dwyer Marsh is a Low vegetation located in Frontenac, Ontario and has an elevation of 269 meters.

• Latitude: 45° 4' 18'' North   (decimal: 45.0716666)
• Longitude: 76° 50' 36'' West   (decimal: -76.8433333)
• Topography Feature Category: Low vegetation
• Geographical Feature: Marsh
• Canadian Province/Territory: Ontario
• Elevation: 269 meters
• Location: Frontenac
• Atlas of Canada Locator Map: Dwyer Marsh
• GPS Coordinate Locator Map: Dwyer Marsh Lat/Long