• 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.

  • Slick Roads

    Due to recent road work on Hwy 46 and steady rain, the road is muddy in spots. Exercise extreme caution while driving to and from the Monument.

Webcam

Be aware.

We are experiencing technical difficulties with the cameras.

These images are not up to date and we hope to have this issue fixed shortly.

 
 

Did You Know?

Acid dew dissolves the cave wall to make small pock marks.

Carbon dioxide mixes with water that condenses on the wall of the cave to create a very weak acid. Over long periods of time this "acid dew" eats away at the marble walls of Oregon Caves making the cave larger.