Hog Island, also known as Oak Island,[1] is an island in the Willamette River in Clackamas County, Oregon.

[2] It is located within the boundaries of the census-designated place of Oak Grove.

Hog Island is owned by Clackamas County and maintained by a nonprofit group known as Willamette Riverkeeper.

The island's native plants include Oregon White Oak, Douglas Fir, Oregon grape, Snowberry, and Camas.

This Clackamas County, Oregon state location article is a stub.