United States California Old Station

Subway Cave Lava Tubes

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Tips from the community

Subway Cave is an unusually easy lava tube to explore, at 1,300 feet (1/3 mile) long, and with ample headroom and a rubble-free floor. The U.S. Forest Service has installed concrete stairs, a trail from the parking lot, and interpretive signs explaining the origins of the cave.

michele 2 years ago

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