Mino, the Gifu paper town where the afternoon light is filtered soft

The paper does its work before you notice it. Light comes through the shoji screens of the old Imai house on Mino's main street, and by the time it lands on the tatami it has gone soft, the colour of weak tea, its edges lost. That is what a thousand years of Mino washi (美濃和紙, Mino handmade paper) is really for — not to be looked at, but to be looked through.

Getting off the one-carriage line

Mino is not on the way to anywhere, which is most of why it stays quiet. From Gifu station you take the JR Takayama Main Line north to Mino-Ōta (美濃太田), about thirty-five minutes through rice country, then change to the Nagaragawa Tetsudō (長良川鉄道), a single diesel carriage that follows the river upstream. Mino-shi (美濃市) station is roughly twenty-five minutes on from there, and the fare for that last leg runs around ¥680.

The station itself is barely more than a platform and a waiting room. From it you walk ten minutes or so toward the preserved quarter, past a shuttered pharmacy and a barber's pole still turning, and the town does not announce the transition. The old street simply begins.

The roofs that told you who was rich

The quarter's real name is a description of its skyline: Udatsu no agaru machinami (うだつの上がる町並み), "the townscape where the udatsu rise." Udatsu are the small fire-break walls that climb above the roofline between one merchant house and the next, capped with their own miniature tiled roofs. They stopped flames jumping between buildings, but they were expensive, so raising one was also a way of saying you could afford to.

うだつが上がらない、とは、もともとこの壁を上げられないことをいう。

The phrase survives in daily Japanese: udatsu ga agaranai (うだつが上がらない), "the udatsu won't go up," said of someone who never quite gets ahead in life. Here you can stand under two hundred metres of the literal version, a run of Edo- and Meiji-era houses with the parapets intact. The former Imai family house (旧今井家住宅), the largest merchant home on the street, is now a small museum with a suikinkutsu (水琴窟), a buried water-chime that you hear before you find; admission is around ¥300, and the ticket desk doubles as the town's information counter.

Paper you hold up to the sun

Mino's paper is not a souvenir-shop abstraction. The finest grade, honminoshi (本美濃紙), was inscribed on the UNESCO list of traditional Japanese hand-made paper in 2014, and it is still made from the inner bark of kōzo (楮, paper mulberry) with no chemical shortcuts. The test is simple and old: hold a fresh sheet against the light and look for clouding. Mino paper shows almost none, an evenness that made it the paper of choice for shoji screens for centuries.

To watch it made, ride a Gifu bus fifteen minutes or so up the Itadori River to the Mino Washi no Sato Kaikan (美濃和紙の里会館), the papermaking museum at the source. A hands-on kamisuki (紙漉き, sheet-forming) session there costs roughly ¥500 to ¥1,000, and the useful part is not the postcard you carry out but the wet weight of the pulp on the bamboo screen — how much shaking it takes to lay the fibres flat, and how quickly a beginner's sheet clouds compared with the one on the wall.

The town lit from the inside

For most of the year the street is a place of daylight and stone. One weekend each October it becomes the opposite. The Mino Washi Akari Art exhibition (美濃和紙あかりアート展), running since 1994, sets hundreds of paper lamp sculptures along the udatsu street at dusk and dims the ordinary streetlights so nothing competes. The town stops being a row of houses and becomes a row of lit paper, each object glowing from its own bulb.

Paper made to be looked through, finally being looked into.

If you miss October, the winning lanterns move indoors to the Mino Washi Akari-Art-kan (美濃和紙あかりアート館), a converted former bank on the same street, where admission is around ¥200 and the room is kept deliberately dark. It is a modest building for what it holds, which is the whole point of the town: nothing here is scaled up for a crowd.

Going, and the station not to trust

The cleanest run from Nagoya or Gifu is the Takayama Line to Mino-Ōta and the Nagaragawa Tetsudō on to Mino-shi; budget about ninety minutes and a little over ¥1,000 each way, and check the return timetable before you settle in, because the river line thins out to roughly hourly and the merchant houses close by five. Come on a weekday afternoon if you want the light and the quiet both; come in mid-October only if you actively want the lanterns and the one dense crowd of the year.

The mistake to avoid is a naming one. Gifu has a Mino-Ōta, a Minokamo, and a Mino-shi, and the paper town is the last of the three — a tired traveller who steps off at the wrong platform loses the better part of an hour to the timetable. Watch for the characters 美濃市, not just the sound, and stay on the little carriage until the river has been beside you long enough to feel like a companion.