Jomo Electric Railway Ogo Station Train Depot

Ogo Station Train Depot: A Living Monument of Early Showa Railway Heritage

Tucked away in the quiet town of Ogo in Maebashi City, Gunma Prefecture, the Ogo Station Train Depot (大胡駅電車庫) of the Jomo Electric Railway stands as one of Japan's earliest surviving electric railway workshops. Built in 1928 when the Jomo Line first opened for service, this remarkable wooden structure has continued to serve as a working maintenance facility for nearly a century. Registered as a national tangible cultural property in 2007, the depot offers visitors a rare opportunity to step inside a piece of Japan's industrial heritage that remains very much alive and in use today.

The History of Jomo Electric Railway and the Ogo Depot

The Jomo Electric Railway (上毛電気鉄道), affectionately known as "Jōden" by locals, opened on November 10, 1928, connecting Chūō-Maebashi and Nishi-Kiryū across 25.4 kilometers along the southern foothills of Mount Akagi. The railway was established to support the region's thriving sericulture and silk-reeling industries, which were central to Gunma Prefecture's economy during the early modern period.

The Ogo Station and its adjacent train depot were constructed at the midpoint of the line, serving as the railway's sole vehicle maintenance base—a role the facility continues to fulfill today. The depot originally comprised the main workshop, a machine room, a blacksmith's forge, warehouses, a bathhouse, a dining hall, crew quarters, and an electrical workshop. While some structures have been modified over the decades, the core wooden buildings retain their original 1928 appearance.

Why It Was Designated a Registered Tangible Cultural Property

The Ogo Station Train Depot was registered as a national tangible cultural property (登録有形文化財) on July 31, 2007, alongside the Ogo Station building and the adjacent substation. The designation recognizes the depot as one of the earliest surviving electric railway maintenance facilities in Japan.

The main structure consists of two tall, parallel gabled buildings aligned side by side, measuring approximately 32 meters in length and 11 meters in width. The single-story timber-frame building features a slate roof and weatherboard (下見板張り) exterior cladding. Its king post truss roof structure provides exceptional structural stability, allowing wide column spacing that accommodates the railway tracks and vehicles stored inside. The depot houses two siding tracks within its main bays. The V-shaped bracing techniques used in the columns reflect construction methods introduced during the Meiji era, representing a valuable example of early 20th-century Japanese industrial architecture.

In addition to its cultural property registration, the Ogo Depot has been recognized as a Selected Civil Engineering Heritage site (選奨土木遺産) by the Japan Society of Civil Engineers, further underscoring its significance in Japan's engineering history.

Highlights and Attractions

Visiting the Ogo Train Depot

The Ogo Train Depot is open for guided tours by advance reservation. Tours last approximately 30 minutes and are conducted between 1:00 PM and 3:00 PM. Reservations must be made at least three business days in advance by phone or email to the Jomo Electric Railway headquarters. During the guided tour, knowledgeable staff members—often retired railway workers with decades of experience—share stories about the depot's history and the vehicles preserved within it.

Several times a year, the depot hosts special open events that do not require advance reservations. The Jomo Electric Railway Appreciation Fair, typically held in January, April, and around Railway Day in October, features DeHa 101 viewing sessions, electric locomotive rides, tug-of-war with a locomotive, railway driving simulators, and various family-friendly activities. These events draw railway enthusiasts from across Japan and offer a festive atmosphere in which to explore the depot.

Surrounding Area and Nearby Attractions

The Ogo area serves as a gateway to the southern slopes of Mount Akagi, offering numerous opportunities to combine a depot visit with broader sightseeing in the region.

• Gunma Flower Park Plus – Located about 6 km from Ogo Station, this 18.4-hectare botanical park at the foot of Mount Akagi showcases seasonal flowers including tulips in spring and illuminations in winter. Reopened in October 2025 after a major renovation, it can be reached by demand bus from Ogo Station in about 15 minutes.
• Akagi Nanmen Senbonzakura (Thousand Cherry Trees) – A famous cherry blossom avenue stretching approximately 3.5 km along National Route 353, best enjoyed in early to mid-April.
• Green Flower Ranch and Roadside Station (Michi no Eki) – A family-friendly facility near Ogo featuring farm animals, playgrounds, barbecue areas, and panoramic views of Mount Akagi from its iconic Dutch windmill tower.
• Akagi Onsen – A historic hot spring area nestled on the slopes of Mount Akagi, about 7 km from Ogo Station, offering a relaxing retreat after a day of sightseeing.
• Nishi-Kiryū Station – The eastern terminus of the Jomo Line features another registered cultural property station building with a distinctive Mansard-roofed Western-style design from 1928, making it an excellent bookend to a day exploring Jomo Electric Railway heritage.

Access Information

The Ogo Train Depot is located adjacent to Ogo Station on the Jomo Electric Railway Line, just a one-minute walk from the station exit. The Jomo Line can be accessed from three main connection points. From JR Maebashi Station on the Ryōmō Line, take a shuttle bus (approximately 100 yen) to Chūō-Maebashi Station and board the Jomo Line heading east. Alternatively, from JR Kiryū Station on the Ryōmō Line, walk about five minutes to Nishi-Kiryū Station. Visitors coming from the Tokyo area can also take the Tōbu Railway limited express "Ryōmō" to Akagi Station and transfer to the Jomo Line there.

Please note that there is no dedicated parking at the depot, so visitors are encouraged to use public transportation.