Cottonwood Island is a Island located in Cassiar Land District, British Columbia and has an elevation of 139 meters.

• Latitude: 55° 36' North   (decimal: 55.6000000)
• Longitude: 128° 45' West   (decimal: -128.7499999)
• Topography Feature Category: Island
• Geographical Feature: Island
• Canadian Province/Territory: British Columbia
• Elevation: 139 meters
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Cottonwood Island
• GPS Coordinate Locator Map: Cottonwood Island Lat/Long