- Oregon Coast, Oregon, United States, (Area)1
- Redwood National Park, California, United States, (Area)1
- Rogue River Estuary, Oregon, United States, (Hydrographic)1
- San Juan Island National Historical Park, San Juan County, Washington, United States1
- Sand Lake Estuary, Oregon, United States, (Hydrographic)1
- Sauvie Island, Oregon, United States, (Hypsographic)1
- Siletz River Estuary, Oregon, United States, (Hydrographic)1
- Siletz River, Lincoln County, Oregon, United States1
- South Fork Alsea River, Oregon, United States, (Hydrographic)1
- Tillamook Bay, Oregon, United States, (Hydrographic)1
- Tualatin River, Oregon, United States, (Hydrographic)1
- Umpqua River Estuary, Oregon, United States, (Hydrographic)1
- Whidbey Island, Island County, Washington, United States1
- Willamette Valley, Oregon, United States, (Hypsographic)1
- Wyoming, Wyoming, United States, (Administrative Boundary)1
- Yaquina Bay, Oregon, United States, (Hydrographic)1
- Yaquina River, Oregon, United States, (Hydrographic)1