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Ikaho Onsen Stone Steps

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Gunma · Ikaho

36.4889°N, 138.9136°E

Ikaho Onsen (伊香保温泉) is a hillside hot spring resort centered on 365 stone steps (石段街, ishidan-gai) lined with ryokan, souvenir shops, cafes, and game arcades. The town's iconic stairway — each step representing one day of the year — dates to the 16th century and climbs 300 meters through the resort's heart. The steps are atmospheric, especially at night when paper lanterns illuminate the ascent and steam rises from drainage channels carrying overflow hot spring water.

Ikaho is famous for two spring sources: kogane-no-yu (黄金の湯, 'golden water,' iron-rich, reddish-brown) and shirogane-no-yu (白銀の湯, 'silver water,' clear, metasilicic acid-rich). The golden water flows visibly along the stone steps in wooden channels, giving the street a constant soundtrack of running water. The resort is more accessible and family-friendly than Kusatsu, with retro charm from its Showa-era heyday (1950s-70s) when it was Tokyo's premier weekend onsen getaway.

Essential Information

Opening Hours

Stone steps: open 24 hrs | Ishidan-no-yu bath: 7:00 AM – 9:00 PM | Shops along steps: 9:00 AM – 6:00 PM | Night lantern illumination: dusk–10:00 PM

Closed: Stone steps: no closures | Some public baths have Monday closings — check individual facility

Entrance Fee

Stone steps walking: free | Ishidan-no-yu (kogane water): ¥450 | Shirogane-no-yu: ¥550 | Ryokan overnight: ¥12,000–30,000/person

Best Season

October–November (autumn foliage lit by stone-step lanterns) | Night visit year-round for lantern atmosphere | Spring (April) for cherry blossoms on steps

Visit Duration

Stone steps + Ikaho Shrine + public bath: 3–4 hours | Day trip from Tokyo: 8–9 hours including transit

Getting There

Access Information

Ikaho Onsen: Ikaho-machi, Shibukawa. By bus from Tokyo (Shinjuku) to Ikaho (¥2,500). Stone Steps: free access 24/7. Public baths: kogane-no-yu Ishidan-no-yu (¥450), shirogane-no-yu (¥550). Ryokan: ¥12,000-30,000 per person with meals. Day-trip from Tokyo feasible (depart 8:00, return 18:00).

Insider Guide

Premium

**Stone Steps experience:** The 365 steps climb from the town's lower entrance to Ikaho Shrine (伊香保神社) at the summit (20-minute ascent). The climb is leisurely — stop at shops selling onsen manju (温泉まんじゅう, steamed buns, ¥150), yuzu soft-serve (¥400), and local crafts. Night (19:00-21:00) is most atmospheric when lanterns light the steps and fewer tourists navigate the stairs. The visible hot spring water flowing in wooden channels (湯樋, yudoi) along the steps is unique to Ikaho — the water eventually feeds into ryokan baths. **Kogane vs. Shirogane baths:** Kogane-no-yu (golden water) is iron-rich, turns reddish-brown on contact with air, and is believed to aid circulation and women's health. Shirogane-no-yu (silver water) is clear, odorless, and gentler on skin. The public Ishidan-no-yu (石段の湯, ¥450, mid-steps location) uses kogane water. For shirogane water, visit the public Shirogane-no-yu bath (¥550, north of town center, a short walk). Both are gender-separated, basic facilities — bring towel or buy at reception (¥200). **Ikaho Green Bokujo:** a bus ride (or a short walk uphill) from the stone steps, Ikaho Green Bokujo (伊香保グリーン牧場, ¥1,200 entry) is a sheep farm with petting zoo, sheep shows, horseback riding, and mountain views. Suitable for families with children. The farm sells soft-serve ice cream (¥400) made from local milk. **Day-trip strategy:** Buses from Tokyo (Shinjuku) depart 8:00-10:00 (90 minutes, ¥2,500 one-way). Arrive 10:30-12:00, walk the stone steps, have lunch (udon, soba, or kaiseki at ryokan restaurants, ¥1,500-3,000), soak in public baths, browse shops, then return bus 16:00-18:00. The resort is compact (a short walking radius) — a full day-trip is feasible without overnight stay, though staying overnight at a ryokan (with kaiseki dinner and private baths) is the premium experience.

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