description Subway Cave Lava Tubes Overview
Subway Cave is an accessible lava tube located in Lassen Volcanic National Park in Northern California. It was created when the outer crust of a basaltic lava flow cooled and solidified while the molten interior continued to flow. The cave is managed by the National Park Service and features a developed path for visitors. It provides a public, easily navigable example of subterranean volcanic geology for park tourists.
help Subway Cave Lava Tubes FAQ
Where is Subway Cave located?
Subway Cave is an accessible lava tube located in Lassen Volcanic National Park in Northern California. The cave sits near the park's northern entrance, close to the small town of Old Station. It was formed by ancient basaltic lava flows associated with the surrounding Hat Creek Valley.
Do I need to bring lights to Subway Cave?
Yes, you absolutely must bring your own flashlight or headlamp, as there is absolutely no artificial lighting inside the cave. The interior is pitch black once you walk a few dozen feet from the stairway entrance. It is also highly recommended to bring a light jacket, as the cave stays cool year-round.
How was Subway Cave formed?
Subway Cave was created when the outer crust of a basaltic lava flow cooled and solidified, while the molten interior continued to flow outward. This geological phenomenon left behind a hollow, tube-like structure beneath the hardened rock surface. The smooth, rounded walls inside perfectly showcase the remnants of the flowing magma.
Is the hike inside Subway Cave difficult?
The hike through Subway Cave is relatively flat and easy, taking about 15 to 20 minutes to complete the loop. However, the trail requires navigating over some uneven, rocky surfaces where the floor has cracked or crumbled. It is unsuitable for wheelchairs or strollers due to these natural obstacles and low ceilings.
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