A day-use bath run by Nansuikaku, the old inn of Wakita Onsen at the foot of the Inunaki range in Miyawaka, roughly midway between Fukuoka and Kitakyūshū. Nine kinds of open-air bath — a waterwheel bath, the 'Thirty-six Poets' bath, 'Kappa Paradise' and more — are dotted through the greenery, with a cold-spring bath, sauna and lie-down bath, making it a bath-hopping spot. The water is 100 % source alkaline simple spring, smooth on the skin. Day bathing: adults ¥900, children ¥500; open 10:00–22:00 (last entry; closing varies by season, until 23:00 in summer), closed Wednesdays plus occasional days. Private baths (¥3,000 per hour on weekdays) and day packages combining bath, meal and massage are popular. Tattoos are not accepted and payment is cash only. About 15 minutes by car from Wakamiya IC on the Kyūshū Expressway, or by bus from JR Nōgata Station to 'Nansuikaku-mae'. A classic day trip from Fukuoka; to stay, choose the Nansuikaku inn or the adjoining Route Inn Grantia.

✔ Verified operating: 2026-09 クロスロードふくおか（大人900円・10–22時最終受付・水曜休・タトゥー不可・現金のみ）／ゆる〜と（夏期–23時）

Prices and hours change. Check official sources before visiting.

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Fukuoka · Futsukaichi OnsenTattoos: Ask ahead

Futsukaichi Onsen Hakatayu

Thirty minutes by train from Fukuoka, next to Dazaifu, this communal bath belongs to Futsukaichi Onsen, a spring with 1,300 years of history. A single tub in a wooden building, but 100% free-flowing alkaline water leaves skin slick and smooth, and locals keep coming. ¥350 weekdays, ¥450 weekends. Upstairs rest room, plus onsen coffee and hot-spring eggs. Increasingly paired with a visit to Dazaifu Tenmangu.

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Fukuoka · Harazuru OnsenTattoos: Ask ahead

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An hour by car from Fukuoka city, a day-bathing facility in Harazuru Onsen, where ryokan line the Chikugo River. The water is both alkaline and sulfurous — a 'double beauty bath' — for ¥600, 10:00–19:00. Day packages with a rest room are also offered. Combine with summer cormorant fishing on the river or the triple waterwheels of Asakura in spring. Registered with the Fukuoka onsen association. Closed Wednesdays.

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Fukuoka · Fukuoka CityTattoos: Not allowed

Minato Onsen Namiha-no-yu

A natural onsen inside Bayside Place Hakata at the port, 15 minutes by bus from Hakata Station. Chloride 'heat water' gushes at 400 litres a minute from 800 m down, filling a free-flowing lukewarm pool and a hot outdoor bath. Sauna, seven stone-sauna rooms and private baths (¥3,900 for 90 min, up to four people). It shares the site with the ferry terminal for Shikanoshima and Nokonoshima. ¥1,100 weekdays, open until midnight.

Day-trip onsenSuper sentoDay use ¥1,100