Watarase Keikoku Railway Kamikamibai Station Bookstore and

Kami-Kambai Station: A Living Cultural Heritage on the Watarase Keikoku Railway

Tucked away in the verdant hills of Midori City, Gunma Prefecture, Kami-Kambai Station (上神梅駅) stands as one of Japan's most cherished wooden railway stations. Built in 1912 — the first year of the Taisho era — this humble yet profoundly atmospheric station has been welcoming passengers for over a century. In 2008, both the station building and its platform were registered as national tangible cultural properties, recognizing their importance as rare surviving examples of early 20th-century Japanese railway architecture.

Kami-Kambai Station sits along the Watarase Keikoku Railway (わたらせ渓谷鐵道), a scenic line that follows the Watarase River valley from Kiryu in Gunma Prefecture to Mato in Tochigi Prefecture. Originally constructed as the Ashio Railway to transport copper ore from the once-mighty Ashio Copper Mine, this line carries the weight of Japan's industrial history in every rail and sleeper. Today, the railway has been reborn as a beloved scenic route, and Kami-Kambai Station remains one of its most photogenic stops.

History of Kami-Kambai Station

Kami-Kambai Station opened on September 5, 1912, when the Ashio Railway extended its line from Omama Station to Godo Station (now Godo Station). The station was one of several stops built to serve the copper transport route linking the Ashio Copper Mine — at that time one of the world's most productive copper mines — with the textile city of Kiryu and beyond.

In 1918, the Ashio Railway was nationalized, and the line became part of the Japanese National Railways (JNR) as the Ashio Line. For decades, trains laden with copper ore rumbled through Kami-Kambai alongside passenger services. The station originally featured two platforms with opposing tracks, handling tablet-based train control for safe passing of trains in both directions.

Following the closure of the Ashio Copper Mine in 1973, passenger and freight traffic declined sharply. In 1970, the station became unmanned, and the second track was eventually removed. After the privatization of JNR in 1987, the line briefly belonged to JR East before being transferred to the newly established Watarase Keikoku Railway, a third-sector railway company, in 1989.

On July 8, 2008, the station building and platform were officially registered as national tangible cultural properties. Then in 2016, the station was further recognized as part of the Japan Society of Civil Engineers' Heritage of Civil Engineering alongside other Watarase Keikoku Railway facilities.

Why It Was Designated a Cultural Property

The station building at Kami-Kambai is a single-story wooden structure with a gable roof covered in corrugated metal sheeting. Completed in 1912 and expanded slightly during the early Showa period, the building retains its original character remarkably well. Its exterior appearance, which was finalized by the early Showa era, provides an authentic glimpse into early 20th-century Japanese railway station design.

What makes Kami-Kambai Station particularly valuable is the survival of its original wooden ticket gate — a feature that has become exceedingly rare across Japan as stations have been modernized. The warm, time-worn timber surfaces of the gate, benches, and interior walls show the deep patina of over a century of daily use, creating an atmosphere that railway enthusiasts describe as being of the highest caliber among Japan's surviving wooden stations.

The platform stretches approximately 108 meters in length and consists of a gravel surface — a style known as a "760 platform," meaning its height from the track bed is 760 millimeters or less. The platform retaining walls are constructed using kenchi-ishi (間知石), a traditional split-stone masonry technique. Traces of the former passing track and switch mechanisms are still visible, offering physical evidence of the station's former operational complexity. Aside from these historical modifications, the platform preserves its original appearance from the time of construction.

Highlights and Attractions

The Wooden Ticket Gate

The wooden ticket gate at the entrance to the platform is the most iconic feature of Kami-Kambai Station. With its gently leaning frame, worn smooth by generations of hands, it evokes the era when a station attendant would have stood here to punch tickets by hand. In an age of automated gates and IC cards, this handcrafted barrier feels like a portal to another era.

Taisho-Era Waiting Room

Step inside the station building and you will find a waiting room that has scarcely changed since the early 20th century. L-shaped wooden benches line the walls, their surfaces rich with the grain patterns and natural color variations that only decades of use can produce. Lattice windows allow soft, filtered light to fill the space. Local residents have placed handmade cushions and seat covers on the benches, and a station visitor's notebook invites travelers to record their impressions — small touches that reveal how deeply the community cares for this station.

Flower-Lined Platform

The gravel platform is bordered by lovingly maintained flower beds planted by local residents. Throughout the seasons — cherry blossoms in spring, vibrant blooms in summer, and warm tones in autumn — the platform becomes a living garden. This community effort has transformed a simple rural stop into one of the most charming photographic destinations along the entire Watarase Keikoku Railway.

A Filming Location

The station's evocative Taisho and early Showa atmosphere has attracted filmmakers and television producers. Its authentic period setting has been used as a filming location for movies and TV dramas seeking to capture the nostalgic ambiance of rural Japan's past, and it appeared in a 2017 episode of a TBS television mystery drama series.

The Watarase Keikoku Railway: A Journey Through History and Nature

Visiting Kami-Kambai Station is best experienced as part of a ride on the Watarase Keikoku Railway itself. The 44.1-kilometer line runs from Kiryu Station to Mato Station, following the Watarase River through some of Gunma and Tochigi prefectures' most scenic terrain.

The railway operates two types of trolley (open-air) trains during the tourism season: the "Torokko Wasshii-go," which runs the full length of the line year-round, and the "Torokko Watarase Keikoku-go," a diesel locomotive-hauled train that operates between Omama and Ashio stations from April through November. Both offer an open-air experience that lets passengers feel the river breezes and take in the valley's stunning seasonal colors.

The railway boasts an impressive 38 structures registered as tangible cultural properties — including station buildings, bridges, and tunnels spanning both Gunma and Tochigi prefectures. This railway-wide registration, covering facilities across two prefectures, was the first of its kind in Japan.

Nearby Attractions

Kifune Shrine (貴船神社): Located just a short walk from the station, this shrine sits dramatically atop a cliff overlooking the clear waters of the Watarase River. Revered as a deity of business prosperity and traffic safety, it draws worshippers from across the region, especially during the New Year period.

Takatsudo Gorge (高津戸峡): Near Omama Station, one stop south of Kami-Kambai, this gorge along the Watarase River offers walking trails and stunning views, particularly during autumn foliage season.

Ashio Copper Mine Tourism (足尾銅山観光): Further up the line at Tsudo Station, visitors can explore a portion of the former copper mine tunnels and learn about the mine's pivotal role in Japan's industrialization and its environmental legacy.

Mizunuma Station Hot Spring (水沼駅温泉センター): A few stops north, the station at Mizunuma once featured an on-site hot spring facility — a unique concept that exemplifies the railway's creative approach to attracting visitors.