Historical Marker
Willow Creek Campground
Historical marker location:
Ione, Oregon
( Marker is on Oregon Route 74 near Cecil Lane, on the left when traveling south.)
Marker installed: 2007
Oregon is home to the largest living organism in the world, the Armillaria ostoyae fungus. The fungus covers over 2,200 acres of forest and is estimated to be over 2,400 years old.