Elk Rock Island is an island on the Willamette River in the U.S. state of Oregon. 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. Note: Brochure funded by City of Portland Bureau of Environmental Services and Portland Parks & Recreation in cooperation with the Friends of Elk Rock Island and the Island Station Neighborhood in the City of Milwaukie. The city of Milwaukie took ownership of the park in April 2016. The island is accessible via Spring Park.
Ecology The island contains deciduous forest, mixed evergreen-deciduous forest and perennial graminoid vegetation. It is one of the last stands of the Oregon White Oak.
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External links
Radio program broadcast in 2012