Coulahan Creek is a River located in Cassiar Land District, British Columbia and has an elevation of 1396 meters.

• Latitude: 58° 58' North   (decimal: 58.9666999)
• Longitude: 130° 20' West   (decimal: -130.3333000)
• Topography Feature Category: River
• Geographical Feature: Creek
• Canadian Province/Territory: British Columbia
• Elevation: 1396 meters
• Location: Cassiar Land District
• Atlas of Canada Locator Map: Coulahan Creek
• GPS Coordinate Locator Map: Coulahan Creek Lat/Long