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Return to The Civil War
Big Tubes Area
The Big Tubes trailhead
Your Big Tubes adventure begins here at the trailhead.
A huge lava bridge spans a deep channel in the Big Tubes area.
The skylight in Big Skylight Cave.
A caver stands under the skylight in Big Skylight Cave.
Intrepid cavers venture into Big Skylight Cave.
A group of cavers enter the realm of Big Skylight Cave in Big Tubes.
Entrance to Big Skylight Cave
The yawning entrance of Big Skylight Cave in the Big Tubes Area.
The back of Big Skylight Cave
A hiker stands in the deep recesses of Big Skylight Cave.
A lava bridge
Another large lava bridge in the Seven Bridges area of Big Tubes.
Four Windows Cave entrance.
The entrance to Four Windows Cave frames ponderosa trees in the Big Tubes region.
Stacked tubes in Four Windows Cave.
A caver checks out some stacked lava tubes in the back of Four Windows Cave in El Malpais.
Lower reaches of Four Windows Cave
A caver explores the lower reaches of Four Windows Cave in the Big Tubes area.
Last updated: August 1, 2014