Oregon Caves National Monument and Preserve is a protected area in the northern Siskiyou Mountains of southwestern Oregon in the United States. The 4,554-acre park, including the marble cave, is 20 mi
Formations resembling drapery in a dome-shaped pit in Oregon Caves
Thomas Condon, a University of Oregon geology professor who visited the cave with his students in 1884
The Chateau in 2009
Stalactites, stalagmites, and column in Miller's Chapel
Siskiyou Mountains
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The Siskiyou Mountains are a coastal subrange of the Klamath Mountains, and located in northwestern California and southwestern Oregon in the United States. They extend in an arc for approximately 100
Forest in the Siskiyou Mountains in California
The Siskiyou Trail
The Red Buttes in the Siskiyou Mountains
The weeping spruce (Picea breweriana) is native to only the Klamath Mountains.