Overflow Basin is a Bay located in Range 1 Coast Land District, British Columbia and has an elevation of 32 meters.

• Latitude: 50° 57' 45'' North   (decimal: 50.9625000)
• Longitude: 126° 51' 50'' West   (decimal: -126.8639000)
• Topography Feature Category: Bay
• Geographical Feature: Basin
• Canadian Province/Territory: British Columbia
• Elevation: 32 meters
• Location: Range 1 Coast Land District
• Atlas of Canada Locator Map: Overflow Basin
• GPS Coordinate Locator Map: Overflow Basin Lat/Long