Diamond Craters West Dome is a geological formation located in the Donner Und Blitzen watershed of Oregon. It is a volcanic dome created by a series of explosive eruptions that occurred over 7,000 years ago. The area is known for its unique geological features such as cinder cones, lava flows, and volcanic bomb fields. The site has been designated a National Natural Landmark due to its scientific significance and geological importance.

Visitors to Diamond Craters West Dome can marvel at the unique geological formations, including the cinder cones and lava flows. The site is also popular with birdwatchers as it is home to a variety of bird species such as the sage grouse, prairie falcon, and ferruginous hawk. In addition, the area offers opportunities for hiking, camping, and wildlife viewing. The site is also a popular destination for geologists and researchers who are interested in studying the volcanic processes that created the unique landscape. Overall, Diamond Craters West Dome offers a unique and fascinating glimpse into Oregon's geologic history and is a must-visit destination for nature lovers and science enthusiasts alike.