Kamioka mine is situated in the deserted village of the same name. The quarry was founded in the early 19th century on a desert island near Kyushu. Over a hundred years ago scientists have discovered rich deposits of cadmium ore, which was the reason for constructing large-scale mines. Mining was carried out until the 1980s. After the closing of industrial production of ore, Kamioka became a deserted village, and large-scale mines were rendered unnecessary.
A few years after the closing, there was opened a small research laboratory conducting research of neutrino, but most of the underground labyrinths still lay in ruins. For many years, large-scale underground structures have being attracting attention of tourists, as walking all around will certainly bring a lot of experience. Mines are located at a depth of more than kilometer, some of their grounds are flooded.
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