8 km (5 mi) W of Ivotuk Hills and 43 km (27 mi) S of Colville River.
Named for Reuben Kachadoorian (1921-1983), U.S. Geological Survey (USGS) geologist for over 30 years who was involved in engineering-geology studies in support othe the U.S. Geological Survey (USGS) petroleum exploration program in Alaska.