Historical Marker

Sumpter, Oregon

Historical marker location:
Sumpter, Oregon
( Marker is at the intersection of Mill Street and Sumpter Highway (Oregon Route 410), on the right when traveling north on Mill Street.)

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.