Former Wadamisaki Lighthouse

The Former Wadamisaki Lighthouse: Japan's Oldest Surviving Iron Lighthouse Stands Guard in Suma

Tucked into the pine groves of Suma Seaside Park in Kobe, a slender, crimson-red tower rises against the backdrop of the Seto Inland Sea. Known locally as "Suma no Akatōdai" (the Red Lighthouse of Suma), the Former Wadamisaki Lighthouse is a small but remarkable survivor from Japan's rapid modernization in the late 19th century. It is the oldest surviving iron-framed lighthouse in Japan, and its journey from the docks of early modern Kobe to its peaceful retirement by the sea embodies the dawn of Japan's international era.

For visitors exploring Kobe's waterfront, this quietly dignified landmark offers a rare chance to trace, in a single building, the story of how Japan opened its harbors to the world and learned to navigate the era that followed.

A Lighthouse Born of Japan's Opening to the World

The story of the Former Wadamisaki Lighthouse begins in April 1867 (Keiō 3), when the Tokugawa shogunate signed the Osaka Treaty (Ōsaka Yakujō) with Britain in preparation for opening the port of Hyōgo—present-day Kobe—to foreign trade. Under this agreement, five Western-style lighthouses were to be constructed around Osaka Bay to guide the growing fleet of international merchant ships safely through its waters.

The first Wadamisaki Lighthouse was one of these five. Construction began in January 1870 (Meiji 3) under the supervision of the British engineer Richard Henry Brunton, often called the "father of Japanese lighthouses," who had been invited by the Meiji government to modernize the nation's coastal navigation. Completed in April 1871 and first lit in January 1872, the original was an octagonal wooden tower painted white, standing at the tip of Wadamisaki in what is now Hyōgo Ward, Kobe.

Wooden lighthouses, however, proved ill-suited to a seaside climate and carried the constant risk of fire. In March 1884 (Meiji 17), the structure was rebuilt in iron—this time as a red, six-sided tower, with its oil lamp upgraded to a gas lamp. The redesign is attributed to Ishibashi Ayahiko, a Japanese engineer who had studied in Britain, and it went on to serve as a prototype for many iron lighthouses built across Japan thereafter.

A New Home in Suma Seaside Park

For nearly eight decades, the red iron tower stood watch at Wadamisaki, guiding vessels into one of Japan's busiest harbors. That chapter closed in October 1963 (Shōwa 38), when land reclamation around Wadamisaki rendered its original location obsolete. Rather than scrap the historic structure, Kobe City relocated the lighthouse westward in 1964 to its present home inside Suma Seaside Park, where it was preserved as a monument to the city's maritime past.

In 1998, the lighthouse was officially registered as a National Tangible Cultural Property, formally recognizing its value as Japan's oldest surviving iron lighthouse and a landmark of the nation's early industrial and international heritage.

Why It Was Designated a Cultural Property

The Former Wadamisaki Lighthouse holds a unique position in Japan's architectural and maritime history for several reasons. It is the oldest iron-framed lighthouse still standing in the country, making it a rare physical record of a pivotal moment when Japan transitioned from wooden to metal construction for coastal infrastructure. Its hexagonal, three-tiered iron structure served as a design model for subsequent iron lighthouses built during the Meiji era. The tower also retains its original Fresnel lens, manufactured in 1870 by the celebrated British optical firm Chance Brothers—the very lens installed in the first wooden lighthouse in 1872. Though now damaged, the lens is a tangible link to the earliest days of Western-style navigation in Japan.

Together, these elements make the lighthouse not only an aesthetic landmark but also a meaningful historical artifact documenting the modernization of Japanese ports and the transfer of European engineering knowledge during the Meiji period.

Highlights to Look For

The lighthouse is approximately 15.8 meters tall, with a base hexagon measuring about 3.9 meters on each side. Though compact, it is remarkably graceful: its crimson-painted iron pipework, slender silhouette, and delicate railing give it the air of a miniature Victorian-era maritime relic. Visitors can walk right up to its base beneath the pines, where the contrast of red iron, green foliage, and blue sea creates one of Suma's most photographed scenes.

On the side of the tower, a commemorative plaque records the two dates of "first lighting"—January 29, 1872, when the original wooden lighthouse was illuminated, and March 10, 1884, when the current iron tower was brought into service. Read from right to left in the classical Japanese manner, this small inscription is a quiet reminder of the tower's layered history.

While the interior is usually closed to the public, the lighthouse is opened for a special viewing once a year around Lighthouse Day (November 1). On this occasion, visitors can enter the first floor and see the original lens and structural details up close—a rare opportunity well worth planning a trip around.

Exploring the Surrounding Area

The lighthouse sits within Suma Seaside Park, a beautifully redeveloped coastal park that underwent a full renewal in 2023-2024. The park stretches along the famous Suma Beach, a white-sand bathing beach lined with pine groves—one of Japan's most celebrated coastal landscapes. Just steps from the lighthouse is Kobe Suma Sea World, the park's flagship aquarium, which reopened in 2024 and is notable for housing the only orcas on public display in western Japan.

A short walk or local train ride brings you to Suma Rikyū Park, a western-style garden famous for its roses, and to Sumadera Temple, an ancient Buddhist temple closely associated with the tragic legend of the young warrior Taira no Atsumori from the medieval Tale of the Heike. Together, these destinations make the Suma area a rewarding half-day or full-day stop for travelers exploring Kobe beyond its central Sannomiya and Kitano districts.