Kurokawa Onsen

A village rebuilt as one inn

Kurokawa's recognised history reaches back to the mid-Edo period, when feudal lords passing between Hita and Taketa stopped here to rest. By the 1970s the village was nearly forgotten. The turnaround is usually traced to Gotō Tetsuya, the young proprietor of Shinmeikan, who at twenty-four spent roughly three and a half years carving a thirty-metre cave bath into the riverside cliff with a chisel. The principle he settled on, that the bath should belong to the forest around it, was eventually adopted by the rest of the village. In 1986 the ryokan association issued the nyūtō tegata, a round wooden pass cut from local Oguni cedar that admits the bearer to three outdoor baths of their choosing. A 1994 vision statement formalised the rest: Kurokawa Onsen ikken-yado, meaning the entire village is a single inn, the lanes are its corridors, and each ryokan is one of its rooms.

Cedar, stone, and no neon

About thirty ryokan line a narrow gorge cut by the Tanoharu River, low wooden buildings stained dark and roofed with cedar shingle or tile. Roughly two hundred signs were taken down by collective agreement in the early years of the revival, and replanting filled the gaps with broadleaf and cedar so the village now reads as a clearing inside a forest rather than a street. The outdoor baths sit at river level, some inside caves, some under wooden eaves, most within earshot of the water. Guests walk between them in yukata and geta in the evening, lit by stone lanterns rather than shopfronts. The setting is the northern edge of the Aso caldera, with the Kujū range to the east, so steam, mist, and the smell of cut cedar tend to be present in roughly equal measure.

When to go

Winter is the most photographed season. From mid-December to early April the association lights the yuakari, hundreds of bamboo lanterns strung along the river, and snow on the cedar roofs is common at this elevation. Early summer brings fireflies along the Tanoharu, and the autumn colour on the surrounding caldera rim runs through late October into November.