The Diamond Craters Graben Dome is a volcanic field located in the Donner und Blitzen watershed of Oregon. The field consists of multiple craters, cinder cones, and lava flows, with the largest crater measuring over a mile in diameter. The volcanic activity in the area dates back to approximately 7500 years ago, with the most recent eruption occurring around 7,600 years ago.

There are several good reasons to visit the Diamond Craters Graben Dome. The area offers a unique opportunity to explore a dormant volcanic field, with the chance to see a variety of geological features including lava flows, cinder cones, and crater lakes. Visitors can also hike through the surrounding landscape, which includes sagebrush flats, high desert canyons, and the Donner und Blitzen river. Additionally, the area is home to a variety of wildlife, including pronghorn antelope, sage grouse, and golden eagles. Overall, the Diamond Craters Graben Dome is a fascinating destination for anyone interested in geology, ecology, or outdoor recreation.