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Oregon Caves National Monument100 years of Memories
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Oregon Caves National Monument
Cooperating Association
Illinois Valley Community Development Organization
The Oregon Caves lodge is managed by a local nonprofit group, the Illinois Valley Community Development Organization. They strive to support the preservation of this unique environment while giving visitors the best in service and hospitality. They use revenues from the operation of the Chateau to write grants and assist with programs that benefit the local community. For more information, visit ivcdo.projecta.com.
 
Oregon Caves Natural History Association (NHA)

The Crater Lake & Oregon Caves Natural History Association is a non-profit organization dedicated to advancing educational and scientific activities within Oregon Caves National Monument and Crater Lake National Park.

The Crater Lake & Oregon Caves Natural History Association invests funds generated from sales of items purchased at our Monument Visitor Center directly back into the Monument, providing services such as publishing Monument-related books and maps, printing the Monument newspaper, and purchasing equipment and materials for educational and scientific research programs.

You can become a member of the Association and learn more about the Monument's natural and cultural resources. Yearly memberships can be purchased at the Visitor Center on the Monument. Find out more by visiting www.craterlakeoregon.org.

 
Siskiyou Field Institute
The Siskiyou Field Institute deepens visitors' scientific understanding and intimate connection to the Klamath-Siskiyou bioregion by providing educational programs and outdoor experiences to a school-aged children in conjunction with Park Service Rangers. Visit thesfi.org for more information about Siskiyou Field Institute.
Acid dew dissolves the cave wall to make small pock marks.  

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.

Last Updated: February 24, 2009 at 15:48 EST