List of National Natural Landmarks in Oregon

Name	Image	Date	Location	County	Ownership	Description
Crown Point		1971		Multnomah	state park	Promontory in Columbia Gorge
Fort Rock State Monument		1976		Lake	state park	Volcanic tuff ring
Horse Ridge Natural Area		1967		Deschutes	federal	Western juniper woodland on Bureau of Land Management property.
John Day Fossil Beds		1966		Grant	federal	Contains a remarkable sequence of very diverse fossils.
The Island		2011		Jefferson	federal	Native juniper savanna on an isolated plateau at the confluence of the Deschutes and Crooked Rivers. Part of Ochoco National Forest.
Lawrence Memorial Grassland Preserve		1984		Oregon	private	An excellent illustration of "biscuit and scabland" topography.
Newberry Crater		1976		Deschutes	federal	Atypical shield volcano in Deschutes National Forest.
Mount Howard-East Peak		2016		Wallowa	federal	Contains botanically diverse montane grassland habitats and populations of endemic and rare plant species.
Round Top Butte		2011		Jackson	federal	Exceptional native bunchgrass habitat. Located on Bureau of Land Management land.
Willamette Floodplain		1987		Benton, Lane, Linn, Marion, Polk	federal	A bottomland interior valley grassland floodplain. Part of William L. Finley National Wildlife Refuge.
Zumwalt Prairie		2013		Wallowa	private	Largest contiguous remaining tract of bunchgrass prairie in the nation.