A massive underground vault shrouded in darkness
that totals 2 km in length.
Formerly a major base for
the Imperial Japanese Navy Air Service.
Kaiyama Underground Vault
A.
Oppama / Taura
Army
Navy
This underground vault is located in Oppama, a former major base for the Imperial Japanese Navy Air Service, and it was said to have totaled over 2 km in length. There are rooms large enough for a truck to fit in, rooms possibly used for storage, and other remnants of the past.
Information Basic information
5-2931-63 Urago-cho, Yokosuka |
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Take a bus from Oppama Station and walk 5 minutes from PURIFICATION CENTER bus stop. |
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Cost Varies Based on Guide |
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9:00~17:00 |
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New Year's Holidays |
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Natsushima Park Parking Lot Available Nearby |
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046-822-9561 Park Administration Div., Yokosuka City |
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