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Pinnacles National MonumentA view of the High Peaks
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Pinnacles National Monument
Pinnacles Centennial Events
 

Pinnacles Centennial Celebrations will feature special events beginning in January and continuing throughout 2008.

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Pinnacles Partnership
Join Pinnacles Partnership to support Pinnacles National Monument in its 100th year
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A visitor at Pinnacles in 1931
George Wright's 1931 Field Notes
Read about an early visit to Pinnacles National Monument
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A close-up view of rhyolite breccia  

Did You Know?
Rhyolitic breccia is the rock that the High Peaks and other rock formations at Pinnacles are made of. Rhyolite breccia is composed of lava sand, ash, and angular chunks of rock that were explosively ejected from the Pinnacles Volcano.

Last Updated: September 18, 2008 at 16:08 EST