Muroiwado, Stone quarry in Matsuzaki, Japan.
The cave system of Muroiwado contains multiple tunnels carved into volcanic rock formations, displaying the geological composition of Izu Peninsula.
During the Edo period from 1603 to 1868, workers extracted Izu Stone from Muroiwado for constructing the stone walls of Edo Castle.
The extraction methods and stone crafting techniques used at Muroiwado reflect traditional Japanese mining practices that developed over several centuries.
The cave remains open daily from 8:30 AM to 5:00 PM, with the last entry at 4:30 PM due to electrical lighting schedules.
The preserved tunnels contain exposed layers of submarine volcanic deposits, displaying the transformation of volcanic ash into solid tuff rock.
Location: Matsuzaki
Official opening: April 1982
GPS coordinates: 34.75066,138.76674
Latest update: March 6, 2025 23:53
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