Tomioka Silk Mill and Related Sites

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Tomioka Silk Mill

Tomioka Silk Mill

It is a former machine-reeling plant built in 1872 by the Japanese government. It was a model factory, even after the privatization, for advanced silk-reeling in Japan and raised the country’s industry to the world’s top level. It was also the place for development and dissemination of improved species of silkworms in corporation with Tajima Family, Arafune Cold Storage and Takayama-sha. It is the best example of pioneering factory architecture merging Western technology with traditional Japanese technology. The wooden-framed brick buildings built at the time of establishment, such as the silk-reeling plant, East and West Cocoon Warehouses all three measures over 100 meters long, retain intact.


Visitor Information

*In order to preserve the building and to ensure the safety of visitors, certain areas are not accessible when not accompanied by a tour-guide

  • Hours of Operation : 9:00am – 5:00pm (reception closes at 4:30pm) Tours include approximately one hour of commentary.
  • Charges : Adult 1,000yen, High School/University Students 250yen, Elementary/Junior high Students 150yen
  • Closed : Dec. 29-31 . Occasionally closed for inspection or maintenance.


  • Access : (By railway)At Takasaki Station(JR-line), change to Joshin Railway (40 minutes) and exit from Johshu-Tomioka Station and walk for 15 minutes.
  • Access : (By car)Take Joshinetsu Road and exit at Tomioka I.C. It will be 10-minute drive to the site.

*Tomioka Silk Mill does not permit the entry of motor vehicles, please utilize specified car park (incurs charge).

Please visit “Tomioka Silk Mill Homepage” to see more detailed information.

Location : 1-1 Tomioka-shi,Tomioka