• Speleothems in Miller's Chapel.

    Oregon Caves

    National Monument Oregon

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  • Haunted Candlelight Tours

    Haunted Candlelight Tours Offered Sunday, October 26 through Friday, October 31, 2014. The tour begins at 4pm and are first come first serve. The tour is limited to 12 people per group.

Other Life Forms

The hyperdiversity that stems from geo-diversity as well as species migrations from the coast, north, and deserts yield at least 40 times as many fungi and bacteria that occur in the surrounding areas.

The Caves, streams, and rock outcrops highlights microbial diversity – moonmilk, cave slime and biofilms, “desert varnish,” lagoon microbial mats, diatom-covered stream cobbles, and cyanobacteria in marble.

Did You Know?

a volunteer takes measures of the faults inside of Oregon Caves

One of the largest cave restoration projects in the nation occurred at Oregon Caves during the 1980s and 1990s. Furthermore, most of the work was done by volunteers! Volunteers still make an important contribution to the park. Learn more about current volunteer opportunities at Oregon Caves. More...