Craters Of The Moon National Monument and Preserve Caves

Caves at Craters of the Moon represent Pleistocene or Holocene basaltic lava tubes. The number of documented caves currently exceeds 170, and with further exploration and inventory a realistic estimate of the number might exceed 600. Along the Great Rift, the volcanic rift zone in which the lava fields formed, are additional cave features termed "fissure caves". These fissure caves are present in much fewer numbers than the lava tube caves. Some of these fissures are quite sizeable, including one particular fissure that may be passable to a depth of 650 feet (200 meters) from the surface.

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.