Historical Marker
The Changing Waterfront
Historical marker location:
Coos Bay, Oregon
( Marker is on Oregon Coast Highway (U.S. 101) north of Anderson Avenue, on the right when traveling north.)
(<i>center panel</i>).
The Hells Canyon National Recreation Area, located in northeastern Oregon, is the deepest river gorge in North America. The canyon was carved by the Snake River and is over 7,900 feet deep in some places.