Diamond Craters, an Outstanding Natural Area of 17,000 acres (23 square miles), has some of the most diverse basaltic volcanic features in the nation clustered within a small, accessible area. The area displays an entire range of eruptions possible in basaltic volcanism. It was formed sometime in the past 25,000 years and now resembles a thin, rocky pancake with a few bumps. Features identifiable at the Outstanding Natural Area include craters and vents, cinder cones, spatter cones, lava tubes,…
Diamond Craters Outstanding Natural Area is primarily first-come, first-served. Use the availability view to gauge how busy it is before you go.
Diamond Craters Outstanding Natural Area is located in Oregon. See the map for its exact location and directions.
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