From List of National Natural Landmarks, these are the National Natural Landmarks in the U.S. state of Oregon.
| # | Name | Image | Date | Location | County | Description |
|---|---|---|---|---|---|---|
| 1 | Crown Point | 1971 | Multnomah | Promontory in Columbia Gorge | ||
| 2 | Fort Rock State Monument | 1976 | Lake | Volcanic tuff ring | ||
| 3 | Horse Ridge Natural Area | 1967 | [1] | Deschutes | Park[1] | |
| 4 | Lawrence Memorial Grassland Preserve | 1984 | Oregon | An excellent illustration of "biscuit and scabland" topography. | ||
| 5 | Willamette Floodplain | 1987 | Benton, Lane, Linn, Marion, Polk | Floodplain | ||
| 6 | Newberry Crater | 1976 | Deschutes | Atypical shield volcano | ||
| 7 | John Day Fossil Beds | 1966 | Grant | Contains a remarkable sequence of very diverse fossils. |
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