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At the start of the trail to the lava tube caves
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Part of the trail to the lava tube caves
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The trail continues...
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Lots of pillow lava to see on the way to the lava tubes
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Entering the Boy Scout Cave. It's a very small entrance that you have to crawl through
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Inside the lava tube, it's very very dark (the rocks are black), and there's ice on the ground.
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The Indian Tunnel cave has a collapsed roof in spots so you don't need a flashlight to explore it. It's much larger than the Boy Scout Cave
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Inside the Indian Tunnel cave
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The big bright area is where the roof has collapsed and is letting the light in
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The cave goes a few hundred feet before a collapse has completely blocked it, but allows you to climb back to the surface
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Back on the surface
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Submarine Park in Arco, Idaho, a few miles north-east of Craters of the Moon National Monument.
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