Izanro Iwasaki
依山楼岩崎いざんろう いわさき
Day Use
YesAdults ¥1,500 / elementary-school children and toddlers ¥750 / under 2 free. Weekdays 14:00–21:00 (last entry 20:00); weekends & holidays 11:00–15:00 (last entry 14:00). Day-use guests cannot use kashikiri bath.
Bathing & Water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Uses natural hot spring water
Capabilities
Private bath available for day-use visitors or hotel guests to reserve
Private bath for lodge guests only (not available for day-use). ¥1,100 per group per 45 min, 7:00–21:45.
Private onsen bath in guest rooms, for overnight guests only
Shared bathing area for all genders
Policies & Services
Restaurant or dining open to visitors (not just hotel meal plans)
Day-use lunch plan available (requires reservation 3 days in advance). Dinner in private dining rooms for lodge guests.
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
Views
RiverHighlights
Steam Sauna
Drinking Spring
Cave BathAbout
Izanro Iwasaki has been receiving guests at Misasa Onsen since 1920. The main draw is Yamayu (山の湯), a circuit-style garden rotenburo where 12 baths of different character are laid out across two wings. The left wing (Hidari-no-yu, 左の湯) includes a cave bath modeled on the nearby Nageire-do cliff temple, a walking bath, and a reclining bath; the right wing (Migi-no-yu, 右の湯) keeps a more retro feel from an earlier era. A radon steam sauna sits in each wing, and a drinking spring is available at the bath entrance. For guests staying overnight, the private bath Dokuyama-no-yu (独山の湯) runs fresh spring water continuously (kakenagashi, かけ流し), and 13 rooms have their own open-air baths, all kakenagashi as well.
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