Qalnigi T'el'ihtnu is a channel located in Matanuska-Susitna County, Alaska. It appears on the Tyonek C-2 SE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 40.06 feet (12.21 m) above sea level. The nearest populated place is Susitna, approximately 1.4 miles to the WSW.