Thomas Narrows is a Channel located in Renfrew, Ontario and has an elevation of 175 meters.

• Latitude: 45° 40' 22'' North   (decimal: 45.6727777)
• Longitude: 77° 38' 50'' West   (decimal: -77.6472222)
• Topography Feature Category: Channel
• Geographical Feature: Narrows
• Canadian Province/Territory: Ontario
• Elevation: 175 meters
• Location: Renfrew
• Atlas of Canada Locator Map: Thomas Narrows
• GPS Coordinate Locator Map: Thomas Narrows Lat/Long