This rugged landscape features cinder cones, spatter cones and lava tube caves formed from volcanic activity in the Great Rift, a series of cracks in the Earth that runs over a stretch of 52 miles. In 1969, astronauts traveled to this region to explore its geology and learn how to identify scientifically valuable specimens for their Apollo voyage. Today, visitors can hike through unusual volcanic terrain, including the short but steep path to the top of the Inferno Cone where panoramic views can stretch as far as the Teton Range 100 miles east.
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