Tokushima · Iya Onsen
Iyakei Onsen Hotel Hikyo-no-yu
祖谷渓温泉 ホテル秘境の湯
Five minutes by car from the Kazurabashi vine bridge, the day-use bath of a large hotel at the mouth of the Iya Valley — the biggest bathhouse in Iya, with a rotenburo facing the green gorge, indoor pool and sauna. At ¥1,100 it's a cheaper, later-opening alternative to Hotel Iya Onsen's cable-car bath (¥1,900). 20 minutes by car from Oboke Station. Closed Tuesdays.
- Price (adult)
- ¥1,100
- Hours
- Mon/Wed/Thu/Fri 15:00–20:00(last entry 19:00)/ Sat/Sun/hol 12:00–18:00(last entry 17:00)
- Closed
- Tue (next day if holiday)
- Access
- 20 min by car from JR Oboke Station, or bus to Hikyo-no-yu stop
- Water type
- Alkaline simple
- Tattoos
- Ask ahead
- Phone
- 0883-87-2300
- Official site
- www.oboke-iya.jp/hotel ↗
- Open in Google Maps
- Google Maps ↗
Essentials
Stay in this onsen town
Compare and book stays in Iya Onsen. Day bathing itself needs no booking.
Opens partner booking site (affiliate)
Why go
- Largest bathhouse in Iya
- 5 min from Kazurabashi bridge
- Gorge rotenburo for ¥1,100
Before you go
- No official tattoo policy is published — ask at reception.
- Ryokan day-use hours are limited and may be suspended in peak season — phone the same morning.
- Last entry is 30–60 minutes before closing.
Features
Sauna & wellness
Mood & scenery
Price
Who with
Amenities
✔ Verified operating: 2026-09 大歩危・祖谷観光NAVI 公式（1,100円・火曜休）
Prices and hours change. Check official sources before visiting.
More in this area
Hotel Iya Onsen (cable-car bath)
A five-minute ride down a 42-degree cable car to the bottom of the Iya gorge, where a self-flowing bath sits beside the river. Day use 7:30–17:00, cable car included. A member of the Secret Onsen Preservation Society.
Hotel Kazurabashi – Sky Open-Air Bath
Five minutes by car from the Kazurabashi vine bridge, this popular Iya inn is famous for its 'sky open-air bath' reached by private cable car. Day bathing (¥1,200) runs 10:30–16:00; the goemon cauldron baths are for overnight guests only. A free sky footbath on the viewing deck is spectacular on mornings with a sea of clouds. With Hotel Iya Onsen it forms Iya's pair of 'cable-car onsen', ideal for a break while touring the valley.
Naruto Natural Onsen Aratae-no-yu
A large day-use onsen next to the Naruto boat-race stadium, 10 minutes by car from the whirlpools and the Ōtsuka Museum of Art. The open-air bath, fed by the site's own natural spring, opens to Naruto's hills and sky; there are also a carbonated bath, pot tubs, a hot sauna, cold plunge and outdoor rest area. Open 8:00–24:00 (last entry 23:00), from early morning to late night; ¥750 weekdays, ¥900 weekends and holidays. The ground-floor restaurant is known for fresh fish — Naruto sea bream and sashimi at fair prices. Walkable from the Konaruto-bashi bus stop on the Tokushima Bus Naruto line. Irregular closures.