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Phones out of order
The visitor center phone line is not working reliably. If you are unable to get through to the staff during business hours, click the More link to email visitor services and a ranger will contact you as soon as possible. More »
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Changes to Visitor Service Due to Sequestration
Due to mandatory, across-the-board budget cuts, some visitor services in this park have changed. Please check the Plan Your Visit section for more information. More »
Sheep Rock
Sheep Rock
View from the Blue Basin Overlook Multiple exposures of the Turtle Cove strata can be seen at the Sheep Rock Unit. This blue-green rock layer represents millions of years of volcanic ash accumulation. Surprisingly enough, the green tint is not due to copper, but rather a complex blending of the elements hydrogen, oxygen, sodium, magnesium, aluminum, silicon, potassium, calcium, iron, strontium, and barium. |
Did You Know?
Fossils from the Clarno Unit show that 44 million years ago, in what is now a near desert in Oregon, crocodiles and palm trees flourished.
American Indian pictographs