Diamond Craters Outstanding Natural Area in southeast Oregon showcases an exceptional diversity of basaltic volcanic features across 17,000 acres, including craters, cinder cones, lava tubes, and a water-filled maar. This unique landscape, formed over thousands of years, offers remarkable hiking and photography opportunities, allowing visitors to explore a range of volcanic formations in an accessible area. Visitors should be prepared as there are no facilities and Leave No Trace principles are strongly encouraged to protect this fragile environment.
