Kumamoto

Onsen towns

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Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Kurokawa Onsen Nyuto Tegata (bath-hopping pass)

One cedar 'nyuto tegata' pass (¥1,500) admits you to any three of the rotenburo at Kurokawa's 26-odd ryokan. Valid for six months, and one of the three stickers can be spent on food or souvenirs instead. Most inns accept bathers roughly 8:30–21:00, but hours vary and some close for cleaning or when full. Buy the pass at any ryokan or the association office 'Kaze no Ya'.

Onsen townDay-trip onsenDay use ¥1,500

Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Ana-yu communal bath

A tiny bath hut on the Tanohara River, rebuilt by donations in 2022 after the 2020 floods (now separate men's and women's rooms). Slide the shutters open and it becomes almost open-air. ¥200 in the box.

Public bathhouse (sento)Natural hot springDay use ¥200

Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Jizō-yu (Kurokawa communal bath)

The oldest communal bath in town, next to the Jizō hall that gives Kurokawa its identity. Not covered by the bath-hopping pass, but only ¥200. No soap; the water runs hot.

Public bathhouse (sento)Natural hot springDay use ¥200

Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Kurokawa Onsen Yamamizuki

Five minutes' drive beyond the village in Oku-Kurokawa, this inn's riverside open-air bath 'Yūkoku-no-yu' is often called the finest in Kurokawa. Day use 10 am–3 pm, ¥600 (or with the ¥1,500 hopping pass); private baths ¥2,500/50 min until 8 pm.

Onsen ryokanDay-trip onsenDay use ¥600

Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Kurokawa Onsen Kurokawasō

An inn on a rise above the village, known for the bluish water of its 'Takeyu' open-air bath. Day use runs 10:30 am–9 pm — the latest in Kurokawa. ¥700 or the hopping pass; private baths ¥2,500/50 min (check availability at the front desk).

Onsen ryokanDay-trip onsenDay use ¥700

Kumamoto · Yamaga & Hirayama OnsenTattoos: Ask ahead

Yamaga Onsen Sakura-yu

One of Kyūshū's largest wooden bathhouses, in the centre of the old castle town of Yamaga in northern Kumamoto. Built in the Edo period as a rest house for the Hosokawa lords, its Meiji-era rebuild is attributed to Sakamoto Matahachirō, the master carpenter of Dōgo Onsen Honkan. Faithfully reconstructed in 2012, the curved-gable entrance, dragon transoms and high-ceilinged bath hall feel far grander than the ¥350 admission. The water is a clear, silky alkaline simple spring, with a drinking fountain. Open long hours, 6:00–24:00 (last entry 23:30), closed the 3rd Wednesday. Soap and towels from the vending machine. Combine with the Yachiyoza theatre (Important Cultural Property), the Buzen Kaidō streetscape and the August lantern festival.

Day-trip onsenPublic bathhouse (sento)Day use ¥350

Kumamoto · Yamaga & Hirayama OnsenTattoos: Ask ahead

Hirayama Onsen Motoyu

The communal bath at the centre of Hirayama Onsen, a scatter of quiet inns in the hills ten minutes by car from Yamaga. The 1961 Hirayama Onsen Center was rebuilt in 2016 with an open-air bath added to the indoor one. The water is Hirayama's signature slippery alkaline sulphur spring — called one of Kyūshū's finest skin-beautifying baths — used 100% free-flowing. You can drink it or take some home, and the lobby sells local vegetables and eggs. ¥400; open 6:00–21:30, every day. About 11 minutes by bus from Yamaga bus centre to Hirayama-Onsen-mae, then a minute on foot. Combine with Sakura-yu for a Yamaga bath-hop.

Day-trip onsenPublic bathhouse (sento)Day use ¥400

Kumamoto · Kurokawa OnsenTattoos: Ask ahead

Kurokawa Onsen Ryokan Sanga (open-air baths)

A solitary forest inn five minutes by car from central Kurokawa, where the only sound is the headwaters of the Chikugo River. On roughly 10,000 m² of grounds sit the mixed open-air Moyai-no-yu and the women-only Shiki-no-yu, fed free-flowing from two private springs; the indoor bath has a faint blue tint. Day use covers the open-air baths only, 08:30–21:00, ¥600 for adults, and Kurokawa's 'nyūtō tegata' bath-hopping pass (¥1,500 for three baths) is accepted, so pairing it with inns in the village is the classic plan. There is a free rest corner after bathing. Closures are irregular — phone ahead.

Day-trip onsenOnsen ryokanDay use ¥600

Kumamoto · Tsuetate OnsenTattoos: Ask ahead

Tsuetate Onsen Moto-yu communal bath

Tsuetate Onsen, where inns line both banks of the Tsuetate River on the Kumamoto–Ōita border, claims 1,800 years of history as the bath water of the infant Emperor Ōjin. Moto-yu is the communal bath said to be its origin: a single half-open tub carved into the rock face beside the riverside promenade — mixed, free and open 24 hours, nothing more. The sodium-chloride water, cooled from a 98°C source, leaves the skin soft. Changing space is basic and screening minimal, so many people wear bathing garments or a wrapped towel; early morning or night is the best time. Combine it with a wander through the 'sedoya' back alleys and, in May–June, the 3,500 carp streamers strung across the river. About 50 minutes by bus from Hita Station.

Day-trip onsenPublic bathhouse (sento)Day use Donation / free

Kumamoto · Yamaga & Hirayama OnsenTattoos: Ask ahead

Hirayama Onsen Day Spa Flora

A day-use bathhouse on the main street of Hirayama Onsen, where inns are scattered among the rice fields of Yamaga, Kumamoto. The slippery alkaline simple-sulphur water — famed locally as 'beautifying water' — fills a main indoor pool, electric bath, waterfall massage bath, cold plunge and sauna plus two open-air baths of different sizes. Adults ¥600, children ¥300 (a bath-only course is cheaper still); open 09:30–21:30 (last entry 20:30), closed Thursdays (open if a holiday). Paid private rest rooms (10:00–16:00), a farm-produce and souvenir shop and a café round it out, and the crowd is half locals, half visitors. Kyūshū Sankō bus from Yamaga Bus Center to 'Hiraogi', then 7 minutes on foot; about 20 minutes by car from Kikusui or Nankan IC. Pair with Yamaga's lantern festival heritage and the Yachiyoza theatre.

Day-trip onsenPublic bathhouse (sento)Day use ¥600