Heads at 632900N1463500W, trends SW to its 1956 terminus, at the junction of East Fork Susitna and Susitna Rivers, 64 miles southeast of healy, Alaska Range.(AK-T1)
Reported in 1910 by DC Witherspoon (in Moffit, 1912,pl 1), U.S. Geological Survey (USGS); named for the river. (AK-T1)
Gillam Glacier, Susitna Glacier,
Mountains:Mount Balchen, Mount Deborah, Mount Geist, Mount Giddings, Hess Mountain, Mount Skarland,