Seine Bay is a Bay located in Rainy River, Ontario and has an elevation of 346 meters.

• Latitude: 48° 39' 51'' North   (decimal: 48.6641666)
• Longitude: 92° 51' 54'' West   (decimal: -92.8650000)
• Topography Feature Category: Bay
• Geographical Feature: Bay
• Canadian Province/Territory: Ontario
• Elevation: 346 meters
• Location: Rainy River
• Atlas of Canada Locator Map: Seine Bay
• GPS Coordinate Locator Map: Seine Bay Lat/Long