Main Narrows is a Channel located in Thunder Bay, Ontario and has an elevation of 323 meters.

• Latitude: 49° 41' 29'' North   (decimal: 49.6913888)
• Longitude: 86° 52' 41'' West   (decimal: -86.8780555)
• Topography Feature Category: Channel
• Geographical Feature: Narrows
• Canadian Province/Territory: Ontario
• Elevation: 323 meters
• Location: Thunder Bay
• Atlas of Canada Locator Map: Main Narrows
• GPS Coordinate Locator Map: Main Narrows Lat/Long