John Day Fossil Beds National Monument: Quick Facts

Written and fact-checked by

The Information Architects of Encyclopaedia Britannica

Photos

The John Day River, with Sheep Rock in the left-centre background, Sheep Rock Unit, John Day Fossil Beds National Monument, north-central Oregon, U.S.

Rock formation in Painted Hills Unit of John Day Fossil Beds National Monument, north-central Oregon, U.S.

See All Images →

Topics

Mariana Trench Devils Tower National Monument Joshua Tree National Park Castillo de San Marcos National Monument Fort McHenry National Monument and Historic Shrine Muir Woods National Monument Great Sand Dunes National Park and Preserve Poverty Point National Monument Black Canyon of the Gunnison National Park Canyon de Chelly National Monument