In Tordrillo Mts., heads at glacier E of Mount Spurr, flows SE to Chakachatna River, 24 mi. W of Tyonek, Alaska Range
Named in 1927 by S. R. Capps and R. H. Sargent (in Smith and others, 1929, pls. 1, 2), U.S. Geological Survey (USGS), "because of the straight course of the river."
Capps Glacier, Dogshead Glacier,
Mountain Passes:Mountain Ranges:Rivers:Chakachatna River, Wolverine Fork,
Streams:Blacksand Creek, Chuitkilnachna Creek, Cottonwood Slough, Noaukta Slough, North Capps Creek, Straight Creek,