List of National Natural Landmarks in Oregon

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There are 11 National Natural Landmarks in the U.S. state of Oregon.[1]

Name Image Date Location County Ownership Description
Crown PointCrown Point197145°32′22″N 122°14′39″W / 
45.5395°N 122.24422°W / 45.5395; -122.24422 (Crown Point)
Multnomahstate parkPromontory in Columbia Gorge
Fort Rock State MonumentFort Rock197643°22′19″N 121°04′26″W / 43.372°N 121.074°W / 43.372; -121.074 (Fort Rock)Lakestate parkVolcanic tuff ring
Horse Ridge Natural AreaHorse Ridge196743°55′26″N 121°02′20″W / 43.924°N 121.039°W / 43.924; -121.039 (Horse Ridge)[2]DeschutesfederalWestern juniper woodland on Bureau of Land Management property.[2]
John Day Fossil Beds196644°33′21″N 119°38′43″W / 44.555833°N 119.645278°W / 44.555833; -119.645278 (John Day Fossil Beds)GrantfederalContains a remarkable sequence of very diverse fossils.
The Island201144°33′31″N 121°16′38″W / 44.558489°N 121.277143°W / 44.558489; -121.277143 (The Island)JeffersonfederalNative juniper savanna on an isolated plateau at the confluence of the Deschutes and Crooked Rivers. Part of Ochoco National Forest.
Lawrence Memorial Grassland Preserve198444°57′03″N 120°47′56″W / 44.950889°N 120.7988834°W / 44.950889; -120.7988834 (Lawrence Memorial Grassland Preserve)OregonprivateAn excellent illustration of "biscuit and scabland" topography.[3]
Newberry CraterNewberry Caldera197643°41′21″N 121°15′18″W / 43.689194°N 121.254889°W / 43.689194; -121.254889 (Newberry Volcano)DeschutesfederalAtypical shield volcano in Deschutes National Forest.
Mount Howard-East PeakNorth side of Mount Howard201645°15′40″N 117°10′44″W / 45.260987°N 117.178778°W / 45.260987; -117.178778 (Mount Howard-East Peak)WallowafederalContains botanically diverse montane grassland habitats and populations of endemic and rare plant species.
Round Top Butte201142°31′40″N 122°41′02″W / 42.5277551°N 122.68381°W / 42.5277551; -122.68381 (Newberry Volcano)[4]JacksonfederalExceptional native bunchgrass habitat. Located on Bureau of Land Management land.[5][6]
Willamette FloodplainGrassland of the Willamette Floodplain198744°21′50″N 123°13′48″W / 44.364°N 123.23°W / 44.364; -123.23 (Willamette Floodplain)Benton, Lane, Linn, Marion, PolkfederalA bottomland interior valley grassland floodplain. Part of William L. Finley National Wildlife Refuge.
Zumwalt Prairie201345°32′N 117°05′W / 45.54°N 117.09°W / 45.54; -117.09 (Zumwalt Prairie)WallowaprivateLargest contiguous remaining tract of bunchgrass prairie in the nation.

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