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John Day Fossil Beds
Sheep Rock is an icon of North American Tertiary vertebrate paleontology. Located within John Day Fossil Beds National Monument, the peak and surrounding badlands contains a remarkable sequence of very diverse fossils including early horses, rhinoceroses, canids, and over 30 other mammalian families entombed in reworked volcanic sediments.
Location: Grant County, OR
Year designated: 1966
Ownership: Federal, Private
For additional information see:
Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.
Last Updated: June 28, 2012