Oregon Vacation Guide System

Oregon Other Attractions

Newberry National Volcanic Monument:

Newberry National Volcanic Monument

Entrance to Lava River Cave

After a short walk, the ceiling reaches a height of 58 feet (18 meters). At this point, the width of the cave is 50 feet (15 meter). This massive volcanic archway is called Echo Hall. The smooth walls are remarkably symmetrical so sounds echo in the huge chamber. In this section, remnants of the ancient lava flow’s current can be seen molded in the tunnel walls. They appear as rounded over-hanging shelves and lateral markings etched in the walls. The end of this hall is about 1,500 feet (457 meter) into the cave. At that point, the cave passes under Highway 97.

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