Cedar Island is a horseshoe-shaped island in the

Willamette River The Willamette River ( ) is a major tributary of the Columbia River, accounting for 12 to 15 percent of the Columbia's flow. The Willamette's main stem is long, lying entirely in northwestern Oregon in the United States. Flowing northward b ...

in Clackamas County, Oregon. It is located within the city limits of

West Linn, Oregon West Linn is a city in Clackamas County, Oregon, United States. A southern suburb within the Portland metropolitan area, West Linn developed on the site of the former Linn City, which was named after U.S. Senator Lewis F. Linn of Ste. Genevie ...

, and is a West Linn city park. The island is accessible by floating bridge during the spring, summer, and fall months. About half of Cedar Island was

dredged Dredging is the excavation of material from a water environment. Possible reasons for dredging include improving existing water features; reshaping land and water features to alter drainage, navigability, and commercial use; constructing da ...

in order to mine gravel, creating a large lagoon in the center of the island. The island is primarily used for recreational purposes such as fishing, hiking, and wildlife viewing.

References

Islands of the Willamette River Landforms of Clackamas County, Oregon Uninhabited islands of Oregon West Linn, Oregon {{ClackamasCountyOR-geo-stub