flows NW to Nenana River, E of Cantwell, 28 mi. S of Healy, Talkeetna Mts. 32 miles long.
Named in 1898 by G. H. Eldridge and Robert Muldrow, U.S. Geological Survey (USGS), for W. G. Jack, prospector.
Hwni-dilaex Caek-e, Stl-uuli Caek-e, Yidateni Caek-e,
Cities:Lakes:Deneki Lakes, Drashner Lake, Triple Lakes,
Mountains:Mountain Passes:Mountain Ranges:Rivers:East Fork Jack River, Jack River,
Streams:Bain Creek, Bruskasna Creek, Cantwell Creek, Carlo Creek, Clear Creek, Little Windy Creek, Moose Creek, Revine Creek, Schist Creek, Slime Creek, Windy Creek,