In the Alaska Range, heads at 634000N, 1471700W, on the N slopes of Mount Deborah and Hess Mountain, flowing E and NE, and forming the East Fork Little Delta River, 60 mi. E of Healy. 10 miles long.
Named in 1958 by R. E. Isto, U.S. Geological Survey (USGS), for Harold Gillam, veteran bush pilot in this area.
Gillam Glacier, Susitna Glacier,
Mountains:Mount Deborah, Mount Giddings, Hess Mountain,
Streams: