Wakamatsu Mine: Chromium Mining Heritage in Tottori

Wakamatsu Mine (若松鉱山) sits in Nichinan, Hino District, Tottori Prefecture. It is counted among Japan’s significant chromium (chromite) mines: mining activity is recorded from 1899 until 1995, and the site has been registered in modern industrial heritage listings.

History

Accounts of Wakamatsu Mine’s discovery differ in contemporary records. A mine pamphlet published by the operation in 1899 reports that the deposit was found in 1899 by a man named Fujiwara from Yagawa village in Nita District, Shimane Prefecture. The town history compiled by Nichinan gives an alternative origin story: it records that in 1895 Matsuo Tsurutarō discovered a heavy fallen rock during flood-repair works and traced a higher-elevation orebody from that find.

Commercial extraction and management developed in the first decade of the 20th century. Formal mining management began in 1905; the initial operators included a party described as Esmedos and Sato Hyakutarō among others. In those early decades the mine sent substantial quantities of ore to overseas markets: annual production reached about 30,000 to 40,000 tonnes and was exported to the United States.

On 28 January 1919 the operation was transferred to Japan Chrome Industry Co., Ltd. (日本クローム工業株式会社). Between 1925 and 1945 the Wakamatsu Mine accounted for 47.5% of the national share for its product, underlining its central role in Japan’s chromium supply through the prewar and wartime periods.

Extraction activity at the site ceased in stages at the end of the 20th century. Mining was put on hold at the end of February 1995; the mountain was placed in a suspended state in September 1996, and the mine was officially closed in October 2001.

Industrial heritage recognition

The industrial footprint of Wakamatsu Mine has been recognised in national surveys of modernization-era industrial sites. In 2009 the site was selected as part of the set titled “Modern Industrial Heritage Group — Continued 33.” In the fiscal grouping cited by the selector it appears under the theme documenting “the progress of refractory-brick manufacture for industrial use and the development of raw materials,” a category that links chromium resources to refractory material production.

In heritage records and related data compilations the site is recorded with the official designation Heritage of Industrial Modernization.

What survives on site

The Wakamatsu Mine retains a substantial collection of industrial-era structures and earthworks. the published inventory notes fifteen surviving facilities on the site. Those surviving elements include (translated):

• Power generation room
• Metalworking / machine workshop
• Main factory building
• Explosive-handling facility
• Compressor room
• Concentration (ore-processing) plant No.1 and No.2
• Ore storage yards No.1, No.2 and No.3
• Crushing plant
• Transformer / receiving station
• First-aid room (infirmary)
• Mine office and administration buildings
• Aerial ropeway towers, adits (tunnels) and rail track remains

The formal heritage listing for the Wakamatsu Mine site documents a related set of real-estate items and ruins that were submitted as part of the nomination. Those items (translated) include: compressor room; diesel power-generation room; workshop; powder magazine; explosive-handling place; mechanical concentration plant; crushing plant; ore-storage area (site); ropeway relay station (site); settling pond; receiving substation; first-aid room; mine office; tunnels, rails and parts of aerial-ropeway towers; ropeway drive house; a mountain shrine; an oil-and-grease store; and charcoal kilns.

These surviving structures and sites form the basis for the industrial-heritage evaluation: they preserve the physical traces of mining, ore handling and the site services that supported a large chromium operation.

Visiting status

The Wakamatsu Mine site is normally closed to casual public entry. At times it was possible to arrange guided, paid visits to parts of the site — for example to sections of the concentration plant — by application to the Nichinan Town Tourism Association. That arrangement changed after structural and access problems emerged: deterioration of the road leading to the mine and the collapse of the mechanical concentration-plant building made it impossible to guarantee visitor safety. Because of those conditions, organized viewing of the mine was suspended from March 2025.

Surroundings

The mine sits within a broader local landscape that is referenced in the same inventories and town materials. Nearby points and local facilities cited in those sources include Homeland Tari; the Nichinan Chugoku Mountains Forestry Academy; a Giant Salamander Exhibition Room; Sakura Park; Mount Sendō; and geological exposures described as the Tari strata group. These names identify local institutions, natural features and interpretive resources that appear alongside the mine in regional documentation.

FAQ

When was Wakamatsu Mine active?

Mining activity is recorded from 1899 to 1995; extraction was put on hold at the end of February 1995, the mountain was suspended in September 1996, and the mine closed in October 2001.

Who operated the mine during its early years?

Formal management began in 1905; early operators included Esmedos and Sato Hyakutarō, and on 28 January 1919 the mine was transferred to Japan Chrome Industry Co., Ltd.

How important was the mine nationally?

Between 1925 and 1945 Wakamatsu Mine accounted for 47.5% of the national share for its product.

Can you visit the site now?

The site is normally closed; paid, limited viewings arranged through the Nichinan Town Tourism Association were possible in the past but were suspended from March 2025 due to road deterioration and the collapse of the mechanical concentration-plant building.