Main Building of Arisawa Family Residence

The Arisawa Family Residence: A Fishing Master's House with a Samurai's Front Door

Tano is the smallest town in Shikoku, a narrow shelf of the eastern Kochi coast where the hills lean in toward the Pacific. Its old main street still runs past house after house of greyed timber and pale plaster, and one of them, set back a little from the former highway, rewards a second glance. At the building's northwest corner sits a shikidai genkan: a formal entrance with a low boarded step and a small three-mat room behind it.

That entrance is a clue to the people who built the place. In the etiquette of old Japan, a shikidai, the boarded step where a host received guests of consequence, signalled rank. You found it at the homes of samurai and of the rural gentry, not at ordinary dwellings. The Arisawa family were neither, strictly speaking. They were amimoto, the owners of the nets, boats and crews that worked this stretch of sea, and their fortune came off the water rather than from a domain stipend. Even so, the house they completed in 1937 carries the bearing of a gōshi residence. The gōshi were country samurai who, in the old Tosa domain that is now Kochi Prefecture, held a place between the warrior class and the commoners.

The building itself is restrained. It is a two-storey timber house of roughly four ken by five (a ken measures a little under two metres), its ridge running east to west beneath a gabled roof laid with pantiles. Lean-to roofs skirt the north and south faces, and a separate cookhouse, the kamaya, projects from the rear, joined to the main block by a covered passage. The formal rooms cluster to the west: the shikidai entrance at the northwest, and an eight-mat reception room, the zashiki, at the southwest. Its footprint covers about 102 square metres.

Why a Modest 1937 House Sits on the National Register

The Arisawa house is a Registered Tangible Cultural Property. The label is easy to mistake for Japan's better-known National Treasures and Important Cultural Properties, but it works on a different principle. The register was created in 1996 for the vast stock of buildings from the late nineteenth and twentieth centuries: structures often too recent and far too numerous for the older designation system, yet worth keeping. Protection here is deliberately light: the owner agrees to preserve the exterior and to notify the authorities before major alterations, and in return the building gains formal recognition and a measure of security against quiet demolition. The Arisawa house joined the list on 1 December 2003 under the standard that a building "serves as a model of its type," carrying the registration number 39-0116.

What earns it that place is less the joinery than the social history folded into the floor plan. Here is a coastal fishing family, well-off but outside the inherited class order, building in the 1930s in the vocabulary of the gentry. The formal entrance, the dedicated reception room, the clear sorting of public space from private. These were the architectural manners of a higher rank, adopted by a household whose standing rested on the catch.

The house does not stand alone. On that same December day in 2003, several other Tano dwellings entered the register, the Hamakawa and Sano residences among them. Together they form a small constellation of recorded buildings that sketch how the town's merchants and fishing masters actually lived, and the Arisawa house is one clear page in that record.

What to Look For, and How to See It

One practical note first. The Arisawa house is a private building, not a museum. There is no ticket desk and no tour, and you take it in from the street, as one face in Tano's historic streetscape. Keep to the public road and respect the residents' privacy.

From there, a few things repay a slow look. Notice how the house draws back from the old highway rather than crowding the frontage, leaving a forecourt that lends the entrance its sense of ceremony. Read the gable end, where the triangle of the roof meets the timber framing. The pantiles (sangawara, the wave-profiled tiles that became standard across rural Japan in this period) give the roof its even, rippling line, while the lean-tos along the flanks soften the bulk of the two-storey body. The formal entrance, even glimpsed from the road, sets the tone the family intended.

Because the interior is closed, it makes sense to pair the visit with two nearby houses that you can enter, and that fill in the world the Arisawa residence belonged to. The first is the Oka Goten, the second the former home of Hamaguchi Osachi, with more on both below.

Around Tano

For a town of its size, Tano carries a surprising amount of history within walking or cycling distance of the station.

• Oka Goten. In the Edo period, Tano prospered on trade, and the Oka family, rice merchants, were its wealthiest house. The residence they built in 1844 served as the honjin, the official lodging, for the lord of Tosa as he passed through on the alternate-attendance journeys to and from Edo. Now a Kochi prefectural cultural property, it is open to visitors, with a formal shoin-style hall and exhibition rooms (admission around 500 yen for adults). It is the best place to see, from the inside, the kind of formal space the Arisawa house gestures toward.
• Former Hamaguchi Osachi Residence. Hamaguchi Osachi, who became Japan's prime minister in 1929, married into and was adopted by the Hamaguchi family of Tano in 1889. Their house survives as a representative example of the town's gōshi-style dwellings, with a stone bearing his own calligraphy standing before it.
• Fukudaji Temple and the Twenty-Three Loyalists. A short walk east of Tano Station, this temple holds the graves of the men remembered as the Noneyama Twenty-Three: Tosa loyalists who rose in 1864 to demand the release of the reformer Takechi Hanpeita and were executed on the Nahari riverbank. Their leader, Kiyooka Michinosuke, came from a gōshi family of Tano itself.
• Salt and eel. Tano is known for fully sun-dried sea salt, and a local works lets visitors watch, or try, the slow evaporation process. The town's farmed eel is a regional speciality, and the salt has even turned up in a local salt-vanilla ice cream.
• The Ono plateau. A raised coastal terrace above the town, its slopes terraced into small fields. On a clear day the view runs east to Cape Muroto and west toward Cape Ashizuri, and in winter the setting sun sometimes flattens into the squat "daruma" shape prized by photographers.

Tano sits on Route 55, the old Tosa eastern highway, and on the Gomen-Nahari Line; Tano Station shares a building with the Tano Ekiya roadside station, which is a sensible first stop for maps, local produce and a quick meal. By car it is about an hour from Kochi Ryoma Airport.