67 ° 32' 49.999" N,
155 ° 38' 10" W
Northwest Arctic
2123 ft (647.09 m)
In the Gates of the Arctic National Park and Preserve, in the Brooks Range, flows NW to the Kugrak River 6.4 km (4 mi) SW of Oyukak Mountain.
HistoryNamed for a natural arch located in a side canyon N of the stream.