Former Aoyama Villa (Otaru Kihinkan)

The Former Aoyama Villa, today operated as the Otaru Kihinkan, is a lavish monument to the enormous wealth that herring once poured into Hokkaido's coast. The Aoyama family were among the great herring-fishery magnates of Shukutsu, and this villa, built over roughly six years and completed in 1923, was the daughter of the house's fantastically expensive private retreat. Legend has it that no cost was spared, and the building is a showcase of the finest materials and craftsmen money could summon during the herring boom.

During the late nineteenth and early twentieth centuries, colossal shoals of herring arrived each spring along the Sea of Japan coast near Otaru, and the families who controlled the catch became astonishingly rich. They expressed that wealth in grand nishin goten, or herring mansions, and the Aoyama Villa is the most refined of them. Its rooms display rare woods, elaborate transom carvings, painted sliding doors and ceilings, and calligraphy and paintings commissioned from noted artists of the day. Every chamber rewards slow looking, from the coffered ceilings to the細部 of the joinery.

Attached to the villa is the Kihinkan hall and a restaurant, where visitors can dine on local specialities such as sea-bream rice beneath painted ceilings, turning a tour into a leisurely half-day experience. A garden surrounds the complex, at its best in early summer, and the whole ensemble conveys both the extravagance and the eventual poignancy of the herring era, for the shoals collapsed by the mid-twentieth century and the great fisheries fell silent.

The villa sits northwest of central Otaru near the Otaru Aquarium and Cape Shukutsu, an area that was the heart of the herring industry. It pairs naturally with the nearby Otaru City Herring Mansion, a more workmanlike fishery building that shows the labour side of the same story, so the two together give a rounded picture of boom-era coastal life.

Admission is around 1100 yen, higher than most sights in the area but justified by the density of craftsmanship on display, and a full visit including the dining hall takes an hour or more. Reaching it involves a short bus ride from Otaru Station toward the aquarium, and Otaru itself is a comfortable day trip from Sapporo on the JR line, covered by the Japan Rail Pass. For travellers who want to understand how spectacularly the herring economy once shaped this coast, the Aoyama Villa is unmissable.