• Photo of the vast drapery formations inside Oregon Caves National Monument.

    Oregon Caves

    National Monument Oregon

Road Closures

During periods of ice, snow, or other conditions resulting in hazardous motor vehicle travel, Hwy 46 may be closed to motor vehicle use for short periods.

For information on current road conditions to the monument, contact the Oregon Caves Visitor Center.

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.