Dewars is a Unincorporated area located in Renfrew, Ontario and has an elevation of 116 meters.

• Latitude: 45° 28' 36'' North   (decimal: 45.4766666)
• Longitude: 76° 28' 40'' West   (decimal: -76.4777777)
• Topography Feature Category: Unincorporated area
• Geographical Feature: Dispersed Rural Community
• Canadian Province/Territory: Ontario
• Elevation: 116 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Dewars
• GPS Coordinate Locator Map: Dewars Lat/Long