
Izunagaoka Onsen Ikonaso
伊豆長岡温泉 伊古奈荘
Izu · Shizuoka onsen ryokan — Soak in a Thousand Years of Medicinal Radon Springs
PHOTOS
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ABOUT
2026-09-03 → 2026-09-04 · 2 adults
Shizuoka · Izunagaoka Onsen Ikonaso








Izunagaoka Onsen Ikonaso brings together the thousand-year-old Kona-no-yu source and medicinal radon baths using ore from Bad Gastein, Austria. At this intimate 13-room inn, enjoy a medicinal open-air bath, a seafood cha-kaiseki course, and warm, understated hospitality.
Property Description Ikonaso is located in Izu no Kuni and takes about 15 minutes on foot from Izu Nagaoka Station, near Izu Nagaoka Onsen and Shuzenji Temple. Free WiFi is available in each guest room. Yukata are available for guests to wear during their stay. Guests may borrow hair dryers and humidifiers at no additional charge (please inquire at the front desk for details). Facilities include a communal bath, an open-air bath and a karaoke room. The hotel possesses 13 guest rooms. Property Access 15 min by foot from Izu Nagaoka St
* This description is the property's own text, in English.
* This introduction was compiled from information published by each property (official website and similar sources), so some details may differ from what you find on the day. It is AI-assisted and can contain errors — please check the official website and the details shown at booking before you reserve.
GUIDE
From onsen etiquette to check-in — the things worth knowing first.
ROOMS
POLICY
Check In/Check Out Policy · Check In: 15:00 · Check Out: 10:00 · Last Check In: 18:00
* These policies are the property's own text, in English; the cancellation policy shown at booking takes precedence.