Big Hardwood Mountain is a Mountain located in Renfrew, Ontario and has an elevation of 268 meters.

• Latitude: 45° 41' 34'' North   (decimal: 45.6927777)
• Longitude: 77° 26' 5'' West   (decimal: -77.4347222)
• Topography Feature Category: Mountain
• Geographical Feature: Mountain
• Canadian Province/Territory: Ontario
• Elevation: 268 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Big Hardwood Mountain
• GPS Coordinate Locator Map: Big Hardwood Mountain Lat/Long