Kuna Caves
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Kuna Caves are an underground lava tube cave found south of Kuna, Idaho. There is currently one entrance to the cave. It is an opening in the ground with a ladder leading down into the cave. The caves are about 50 feet deep and run about a quarter mile north and south from the entrance.
It is called Kuna Caves despite being only a single cave system. Though according to locals, at one time the system had been much larger and was composed of multiple caves--even stretching to the Snake River--before the Army Corps of Engineers blocked it off. Although the entrance has a ladder to get down into the cavern, it is not maintained. The short road leading to the cave is unmaintained, often very muddy, and the cave itself is littered with trash and graffiti. The interior temperature of the cave hovers around 56 degrees Fahrenheit year round. Like all underground caves, the available light drops dramatically with distance from the entrance.