The Great Rift is one of only two such features in the world. At 635 square miles, it is considered to be the largest, deepest, and most recent volcanic rift system in the continental United States. Many of Idaho`s most fascinating geological features lie along this potential wilderness. A tremendous fissure extending 65 miles opened up to emit successive lava flows some 15,000 years ago. This volcanic landscape with spatter caves, ice tubes, caves, and cinder cones awaits the adventurous…
Great Rift Backcountry Area is primarily first-come, first-served. Use the availability view to gauge how busy it is before you go.
Great Rift Backcountry Area is located in Idaho. See the map for its exact location and directions.
Pick your dates on the availability calendar, then reserve through the official booking link. You can also set an alert and we'll notify you if a sold-out date opens up.