Htidaghituntnu is a stream located in Matanuska-Susitna County, Alaska. It appears on the Anchorage B-7 NW USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 18.91 feet (5.76 m) above sea level. The nearest populated place is Cottonwood, approximately 1.4 miles to the NE.