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Onsen and baths in Usa
8 baths — 7 admit day visitors, 3 have an outdoor bath, 2 run free-flowing spring water. Every fact below carries how many visitors said it.
Usa, Oita · Browse all Oita baths
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Good places to start
Mahoroba Onsen Usa
Day visitorsYes
TattoosNot known
Price¥550
Innai Myoken Onsen
Day visitorsYes
TattoosNot known
Price¥550
Usa Ajimu Onsen Center
Day visitorsYes
TattoosNot known
Price¥300
All of them
Every bath in Usa
Mahoroba Onsen Usa
¥550 · Day visitors: Yes · Outdoor bath: Yes
A neighborhood day-use hot spring near Usa with soda/carbonated sodium-bicarbonate water, an indoor bath, small outdoor bath, sauna and cold plunge; tattoos are officially banned though the rule isn't strictly enforced.
Innai Myoken Onsen
¥550 · Day visitors: Yes · Outdoor bath: Yes
A rural day-use hot spring near Innai offering an outdoor communal bath and several reservation-free private family baths, though the general bath water can run quite lukewarm, especially in winter.
Usa Ajimu Onsen Center
¥300 · Day visitors: Yes · Outdoor bath: No
A modest public onsen bathhouse near Ajimu winery mainly used by locals, offering an indoor communal tub for 300 yen but no sauna or usable outdoor bath, with soap and shampoo removed since mid-2025.
Kanaya Onsen (hot springs)
¥400 · Day visitors: Yes · Outdoor bath: No
A small, cheap local hot spring ("jimoto-yu") in the countryside near Usa, known for warm, mildly carbonated, brownish source-fed water; bring your own toiletries and expect no lockers.
Usashi Tsubosa Hot Spring
Day visitors: Yes
Usashi Sada Hot Spring
Day visitors: Yes
A small, old-fashioned neighborhood hot-spring bathhouse in Usa's Ajimu area with a single indoor tub of clear sodium-chloride/bicarbonate water, cheap for local residents but pricier for outside visitors, and no free soap or shampoo.
Usa City Fukami Onsen
Outdoor bath: No
A small municipal indoor-only hot spring in Usa City with genuine source-fed (kakenagashi) water popular with local elders, cheap day-use entry, but no soap or shampoo provided.
Innai Amari Hot Springs
¥300 · Day visitors: Yes · Outdoor bath: Yes
A simple community bathhouse near Innai with one indoor and one outdoor tub fed by a 63°C source, costing 300 yen for day-use visitors who must bring their own soap and shampoo.
Narrow it down
Lists for a particular day
Day-use onsen in Oita
Baths that admit you without an overnight stay
Outdoor baths
Rotenburo, confirmed by visitors
Free-flowing spring water
Gensen kakenagashi, not recirculated
With a sauna
Often with a cold plunge
Questions
Common questions
Which baths in Usa admit day visitors?
7 of 8 baths admit day visitors according to reviews; 0 are for staying guests or local residents only. That matters more than it sounds: across Oita, 20 baths turned out to be residents- or guests-only.
What does a bath in Usa cost?
Adult admission ranges from ¥300 to ¥550; the median is ¥400. 0 baths are free.
