Yabuzuka Quarry, Former stone quarry in Ota, Japan
Yabuzuka Quarry features tall stone walls carved from volcanic tuff, with multiple chambers and passages running through the excavated mountainside. The site reveals how miners worked deeper into the rock over decades, leaving behind a network of interconnected spaces.
Mining operations began around 1903 during the Meiji period and continued until 1955, representing over 50 years of continuous stone extraction. The lengthy operation demonstrates how crucial this resource was for regional development and construction needs.
The stone extracted here shaped local building practices, being used for foundations, fences, and traditional cooking stoves called kamado that dot the region. Visitors can sense how deeply this material is woven into the area's everyday architecture.
The site is reached via a narrow road ascending into the hills with a small gravel parking area and basic signage at the entrance. Visitors should wear sturdy footwear and take care on uneven ground and in the cramped passages, as the structures are quite old.
Red kanji characters from 1959 remain visible on the chamber ceilings, marking the final years when the site was still in use. These handwritten marks offer a glimpse into the last period of active work before operations ceased.
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