Jefferson County War Memorial

Historical marker location:

125 SW E St, Madras, Oregon

( Memorial is at the intersection of SW E St and The Dalles-California Hwy (U.S. 97), on the right when traveling east on SW E St.)

The largest living organism in the world is a fungus in Oregon. The Armillaria ostoyae fungus covers over 2,200 acres of forest in eastern Oregon and is estimated to be over 2,400 years old. It is also known as the "Humongous Fungus."