S P O T ／ SPOT-058

Niu Mercury Mine Ruins

丹生水銀鉱跡にゅうすいぎんこうあと

Long before Japan had words like 'industrial heritage,' the village of Niu was already old: ancient sources describe mercury cinnabar being mined here from the Yayoi and Kofun periods onward, and the bright red ore from these hills was used to gild the Great Buddha of Nara in the 8th century. The mine continued, on and off, into the 1970s, leaving a scattered landscape of adits, slag heaps, and weather-worn machinery distributed across the forested slopes of southern Mie. Most of the workings are sealed or unsafe to enter, but the surface features — collapsing wooden head-frames, narrow rail beds, stone-walled retaining terraces — can be observed from the village's mountain road, where a few interpretive signs explain the site's relationship to the gilding of the Nara Daibutsu and to centuries of Shingon Buddhist alchemical practice that depended on cinnabar. For visitors interested in the deep, unbroken industrial threads that connect ancient temple-building to modern industry, the Niu mercury workings are one of the most evocative sites in central Japan, precisely because so little of them has been packaged for tourism.