• Speleothems in Miller's Chapel.

    Oregon Caves

    National Monument Oregon

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  • Cave Tours Closed for Season

    Cave Tours are closed for the winter. Tours will resume April 26, 2014. All trails on the monument remain open.

Planning & Management Documents

Management Plans

The following files are in Adobe Reader format or Portable Document Format (pdf). If you do not have the software to view these files, download it.

Did You Know?

From the vista on the Cliff Nature trail you can see the nation's largest serpentine rock outcrops in the distance.

The mountains surrounding Oregon Caves are composed of ocean crust including rocks uplifted directly from the mantle. These mantle rocks make up one of the largest serpentine rock outcrops in the nation.