Chalmers Island is a Island located in Muskoka, Ontario and has an elevation of 298 meters.

• Latitude: 45° 14' 26'' North   (decimal: 45.2405555)
• Longitude: 79° 25' 42'' West   (decimal: -79.4283333)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: Ontario
• Elevation: 298 meters
• Location: Muskoka
• Atlas of Canada Locator Map: Chalmers Island
• GPS Coordinate Locator Map: Chalmers Island Lat/Long