Elk Rock Island is a small, 13.24-acre park in Portland, Oregon. This park is the remains of an ancient volcano that erupted about 40 million years ago. This park sits on the Williamette River and activities here include hiking and wildlife viewing.
Elk Rock Island<br />SE 19th Ave & Sparrow St
http://www.tripleblaze.com/trail.php?c=3&i=6461