Elk_Rock_Island
Elk Rock Island
Island in the Willamette River in the U.S. state of Oregon
Elk Rock Island is an island on the Willamette River in the U.S. state of Oregon.[2] The 12- to 13-acre (4.9- to 5.3-ha) island, formed 40 million years ago by a volcano, was given to Portland by Peter Kerr in 1940.[3][4][5] The city of Milwaukie took ownership of the park in April 2016.[6] The island is accessible via Spring Park.