K'eyghashtnu is a channel located in Matanuska-Susitna County, Alaska. It appears on the Anchorage B-8 NE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 0.00 feet (0.00 m) above sea level. The nearest populated place is Knik, approximately 1.1 miles to the NE.