Diamond Craters Outstanding Natural Area

Diamond Craters Outstanding Natural Area, located in southeast Oregon's high desert, spans 17,000 acres and showcases a remarkable array of basaltic volcanic features, including craters, cinder cones, and lava tubes. Formed within the last 25,000 years, this unique landscape offers visitors a glimpse into the diverse processes of basaltic volcanism.

Visitors are encouraged to respect the natural environment by adhering to Leave No Trace principles, as the area lacks restroom facilities and amenities. With its striking geological formations, Diamond Craters is a one-of-a-kind destination for outdoor enthusiasts and nature lovers alike.

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