lava tube cave


lava tube cave, basalt, caving, galleries, lava beds national monument, lava tube cave, lave cave, natural cave, spelunking, tunnels, volcanic

Lava tube cave in the Lava Beds National Monument (California).­

This one was called "Catacombs", and there was a sign indicating that it was closed due to "possibly unsafe conditions".­ I think that they are just afraid that visitors could get lost, since this lava tube has a maze of branches and is rather large.­

For more info about lava tubes, read en.­wikipedia.­org/­wiki/­Lava_­tube.

For more info about this place, read en.­wikipedia.­org/­wiki/­Lava_­Beds_­National_­Monument.

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Volcanic Areas of the Pacific North-West