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The staff at the Oregon Caves National Monument wants to welcome you to your cave. We hope that your visit to the Monument will be pleasant and if you need any assistance, we are here to serve, and will make every effort to accommodate your needs.
Depictions of a Cave Tour Oh the wonders you'll discover inside the earth! more...
Did You Know?
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.
