- Alsea River, Oregon, United States, (Hydrographic)2
- Oregon, Oregon, United States, (Administrative Boundary)2
- Chetco River Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay Estuary, Oregon, United States, (Hydrographic)1
- Coos Bay, Oregon, United States, (Hydrographic)1
- Coquille River Estuary, Oregon, United States, (Hydrographic)1
- Eastern Oregon, Oregon, United States, (Area)1
- Idaho, Idaho, United States, (Administrative Boundary)1
- Necanicum River Estuary, Oregon, United States, (Hydrographic)1
- Necanicum River, Oregon, United States, (Hydrographic)1
- Nestucca River Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay Estuary, Oregon, United States, (Hydrographic)1
- Netarts Bay, Oregon, United States, (Hydrographic)1
- Oregon Coast, Oregon, United States1
- Oregon Coast, Oregon, United States, (Area)1
- Rogue River Estuary, Oregon, United States, (Hydrographic)1
- Sand Lake Estuary, Oregon, United States, (Hydrographic)1
- Sauvie Island, Oregon, United States, (Hypsographic)1
- Siletz River Estuary, Oregon, United States, (Hydrographic)1
- South Fork Alsea River, Oregon, United States, (Hydrographic)1