Explore two spectacular caves in this remote region of El Malpais. Lava bridges and other rugged features add to the surreal nature of this amazing place.
Your Big Tubes adventure begins here at the trailhead.
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A huge lava bridge spans a deep channel in the Big Tubes area.
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A caver stands under the skylight in Big Skylight Cave.
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A group of cavers enter the realm of Big Skylight Cave in Big Tubes.
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The yawning entrance of Big Skylight Cave in the Big Tubes Area.
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A hiker stands in the deep recesses of Big Skylight Cave.
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Another large lava bridge in the Seven Bridges area of Big Tubes.
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