Bureau of Land Management National Park Service U.S. Fish and Wildlife Service U.S. Forest Service

River Styx, Oregon

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Managing Agency:

National Park Service, Oregon Caves National Monument

Designated Reach:

December 19, 2014. The subterranean segment of Cave Creek flowing within Oregon Caves National Monument.


Scenic — 0.4 miles; Total — 0.4 miles.

River Styx


Oregon Caves National Monument (National Park Service)

Photo Credit: National Park Service

River Styx

The River Styx is actually the underground segment of Cave Creek as it flows through Oregon Caves National Monument. This designation is unique within the National Wild and Scenic Rivers System as it is the first—and only—underground river in the National System.