Flows NW to the Tatonduck River, 4 mi. ENE of that stream's junction with Yukon River and 16 mi. N of Eagle, Porcupine Plateau
So named in 1930 by J. B. Mertie, Jr., U.S. Geological Survey (USGS), because "its valley was filled with underbrush from source to mouth."
Star,
Cliffs:Lakes:Ford Lake, Lords Lake, Pickerel Slough,
Mountains:Adams Peak, Hillard Peak, Jones Ridge, McCann Hill, Nimrod Peak, Squaw Mountain, Three Castle Mountain, Windfall Mountain,
Ridges:Rivers:Seventymile River, Tatonduk River,
Streams:Boulder Creek, Cathedral Creek, Excelsior Creek, Funnel Creek, Harrington Creek, Last Chance Creek, Lost Creek, Pass Creek, Phoenix Creek, Pleasant Creek, Shade Creek, Sinnott Creek, Thicket Creek, Thurston Creek, Wolf Creek,