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Learn More About Oregon's Geology
 
High Lava Plains
This area has some of the most recent faulting and youngest volcanic activity in Oregon. Well-preserved in a high desert climate, volcanic features stand out about the plains.
Paulina Lake Paulina Lake, near Bend, is part of the Newberry National Volcanic Monument.
ft. rock Fort Rock in Lake County is the remains of an ancient tuff ring that formed in a violent explosion.
Lava Butte, Newberry Crater, Fort Rock and Hole-in-the Ground,
in central Oregon, along Highways 97 and 31 south of Bend: A collection of relatively recent volcanic features including volcanoes, cinder cones, buried forests, obsidian flows, lava tubes, and a large explosion crater. For information, contact Deschutes National Forest, 1645 Hwy. 20E, Bend, OR 97701, phone (541) 388-2715; Lava Lands Visitor Center, 58201 S. Hwy. 97, Bend, OR 97707, phone (541) 593-2421; Newberry National Volcanic Monument, Fort Rock Ranger District, 1230 NE 3rd, Suite A 262, Bend, OR 97701, phone (541) 388-5664
 
Links:
Oregon Outdoors
Lava Lands Visitor Center
Newberry Crater National Volcanic Monument
High Desert Museum
Deschutes-Ochoco National Forests
 
map legend
Coastal RangeKlamath MountainsDeschutes-Columbia PlateauBlue MountainsHigh Lava PlainsCascade RangeWillamette ValleyBasin & Range & Owyhee uplandsBasin & Range & Owyhee uplands
 
Graphic by Elizabeth L. Orr, Geology of Oregon,
available from Nature of the Northwest
 
 

 

Page updated: March 25, 2009