Sado Island Gold Mine

The Sado Island Gold Mine operated for nearly 400 years from its discovery in 1601 until its closure in 1989, producing an estimated 78 tonnes of gold and 2,330 tonnes of silver. Visitors can explore two main tunnel routes: the Sodayu tunnel showcasing Edo-period hand-mining with incredibly lifelike robotic figures demonstrating the grueling work conditions, and the Doyu tunnel featuring modern Meiji-era industrial mining equipment. The mountain itself has been dramatically split in two from centuries of mining, creating the V-shaped Doyu no Warito cliff that serves as the mine's symbol. In 2024, the mine and related sites were inscribed as a UNESCO World Heritage Site, recognizing their significance in world mining history. The on-site museum houses gold ingots, mining tools, and historical documents, and visitors can try their hand at panning for gold dust.