The Brennan Palisades, named after a local pioneer ranch family, in the Ochoco National Forest near Prineville, Oregon.

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The Brennan Palisades, named after a local pioneer ranch family, in the Ochoco National Forest near Prineville, Oregon. They are made of volcanic tuff that was deposited 40 million years ago.

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Size: 2753px × 4161px
Location: USFS Road 3376-125, Prineville, Oregon, USA
Photo credit: © Ken Barber / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: brennan, eocene, geology, oregon, palisades, travel, tuff, volcanic