The Train Station That Kept the Tree in the Way

At Kayashima Station outside central Osaka, commuters waiting on platforms 3 and 4 stand beside a glass-walled enclosure that looks like a greenhouse installed by someone who forgot the plants. Inside is the trunk of a camphor tree. It rises from a Shinto shrine below the elevated tracks, passes through the platform, and spreads through a large opening in the roof. The tree is estimated to be about 700 years old, roughly 20 meters tall, and seven meters around. The station is younger by six centuries.

The railway opened Kayashima in 1910. By the early 1970s, growing ridership along the Keihan Main Line demanded a much larger piece of infrastructure. Keihan Electric Railway began a project to lift the tracks above street level and expand the corridor to four tracks. The Doi-to-Neyagawa Signal Station section alone added 5.8 kilometers of quadruple track; when it entered service in March 1980, it completed what Keihan described as Japan’s longest four-track stretch on a private railway at the time.

The old camphor stood where the expanded station needed to go. Removal was the efficient answer on paper. For local residents, the tree belonged to Kayashima Shrine and carried the status of a sacred tree. Official local histories say strong requests for preservation persuaded the railway to keep it. Later retellings add a fever suffered by someone who cut a branch, a white snake near the trunk, and smoke rising from the crown. Those details are impossible to treat like engineering records. The opposition itself was concrete enough to change the design.

Keihan built the station around the tree. The shrine remained at ground level under the viaduct, while the trunk passed upward through the structure beside the Osaka-bound platform. The platform and roof were opened around it; steel framing stops at branches that refuse to behave like columns. A low brick wall and glass enclosure separate the trunk from passengers. The shrine buildings were reconstructed with donations from local parishioners.

This is a more awkward arrangement than the familiar rendering of nature and infrastructure in harmony. The tree consumes usable platform area. Its canopy requires an enormous hole where a normal station roof would keep rain out. Roots, branches, waterproofing, structure, and passenger circulation all have to be managed around an organism that keeps changing dimensions. That inconvenience is visible everywhere, which is exactly why the station is convincing.

The finished complex received an encouragement award in the 1983 Osaka Urban Landscape Architecture Awards, and the camphor was later selected for Osaka Prefecture’s list of 100 notable green spaces. Those honors recognized a strange civic achievement: a high-capacity railway expansion that preserved the object most likely to complicate it.

Kayashima is easy to turn into a cute internet story about Japan respecting trees. The actual lesson is less polished. Respect arrived through residents making removal politically and culturally difficult, then through engineers accepting a messier station. The railway still got its elevated four-track corridor. The shrine still got its sacred camphor. Neither side received a pristine version of the site.

Most projects describe existing trees, buildings, and rituals as constraints, a word that quietly assumes the cleared site is the natural starting point. Kayashima Station leaves the constraint standing in the middle of daily operations. Every arriving train repeats the same decision: capacity mattered, the tree mattered, and the design had to deal with both. The station works because it kept the inconvenience.