Boring Lava Field, Volcanic field in Portland metropolitan area, United States.
The Boring Lava Field spans 1,500 square miles across Oregon and Washington, featuring numerous cinder cones, shield volcanoes, and lava flows throughout the region.
Volcanic activity in the area began 2.7 million years ago, with alternating periods of eruptions until the last event at Beacon Rock 57,000 years ago.
The Chinook people inhabited the region before European settlement, developing communities near the volcanic formations and along the Columbia River waterways.
Visitors can explore the geological formations through hiking trails at Powell Butte Nature Park and Mount Tabor Park, which remain open throughout the year.
The field contains more than 80 volcanic vents scattered across the Portland-Vancouver area, with some potentially hidden beneath sediments from ancient Missoula Floods.
GPS coordinates: 45.30000,-122.50000
Latest update: March 7, 2025 08:06
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