Ninatnu Kaq' is a area located in Matanuska-Susitna County, Alaska. It appears on the Tyonek D-3 SE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 74.41 feet (22.68 m) above sea level. The nearest populated place is McDougal (historical), approximately 5.9 miles to the NNW.