Picture from NPS website
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Location: Cave Junction, OR is included in Group: 27
Click on the park name to visit the NPS official park webpage.
Deep within the Siskiyou Mountains are dark, twisting passages that await your discovery. Eons of acidic water seeping into marble rock created and decorated the wondrous "Marble Halls of Oregon." Join a tour, get a taste of what caving is all about, and explore a mountain from the inside and out!
...Excerpt from NPS website
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