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Bettei Senjuan
別邸 仙寿庵
Foto de la zona, no del ryokan · Mount Tanigawa, Minakami, Gunma · TANAKA Juuyoh / CC BY 2.0
Eighteen rooms, each with its own free-flowing open-air onsen, in a prize-winning earthen-walled building below Mount Tanigawa — a Relais & Châteaux favourite whose kitchen has lately lost some fans
Senjuan opened in 1997 as the more refined sister of Ryokan Tanigawa, and the building by architect Takao Habuka — an eight-metre curved glass corridor, local-clay walls, marbled ceilings and washi by Eriko Horiki — won an architectural-institute award. All 18 rooms have an open-air bath fed straight from the inn's own spring, with the temperature set by how much spring water flows in; staff will tune it to your request. It joined Relais & Châteaux in 2012 and holds one MICHELIN Key (2024 and 2025). Japanese guests rate it 4.58 across 138 reviews on Ikyu and 4.53 across 282 on Rakuten, with 4.4 on Jalan. Guests love the 22-hour stay (13:00 to 11:00), private dining rooms for every meal, free in-room drinks and an evening lounge. The concerns are recent: several 2024–2026 guests found dinner less memorable than before, and 2025–2026 reviews report maintenance slips (dust, broken taps, a lukewarm shared bath). Prices rose from May 2026 — the cheapest room with an early-booking discount is now about ¥117,800 for two with two meals, where a March 2025 guest paid ¥40,000 per person.
Guía para elegir habitación
Lo que recomiendan quienes se han alojado aquíRecomendadas
Japanese room B (和室B, 12.5 mats) — e.g. Awayuki (淡雪) or Kōsetsu (光雪)
The cheapest type still has its own free-flowing open-air bath. A fifth-time guest paid ¥40,000 per person with two meals in March 2025 with a 60-day early discount, and liked Awayuki's high ceiling on the third floor; Kōsetsu has a bigger bath with a view of cherry trees. Two bloggers disagree on Awayuki's tub: roomy for two to one, full with two to the other.
Terrace rooms and the SP / S rooms (12.5 + 8 mats, SP with a tea room)
The terrace rooms face the Tanigawa ridge and the river. The SP room adds a stone-sauna room with an overhead shower, as a 2023 guest described. Note that SP, S, the terrace rooms and some Japanese A rooms have eight steps in front of the room.
Mejor evitar
The single Western twin room (1st floor) and rooms for guests with limited mobility
In snow, the twin's semi-open-air bath window wouldn't open (February 2025), and a February 2026 reviewer there reported sharp furniture corners, a lukewarm bath, a hard-to-read air-con dial and sticky doors. In a Japanese room B, a guest's mother using a cane couldn't reach the high shower controls (April 2026). A repeat guest felt the sauna newly added to some rooms slightly spoiled the view (summer 2026). No infants or primary-school children in the Western and Japanese-Western rooms.
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La cocina a fondo
Consenso sobre el desayuno
4.5/5Japanese or Western, from 7:30 in 15-minute slots, in your private dining room: choose salmon, horse mackerel or ayu, and white rice, rice porridge or fermented brown rice — or bread from a local bakery with your own toaster
The fridge in your room is free, as are drinks in the lounge after dinner, the garden terrace in the afternoon and coffee in the reading room. Vegetarian and vegan meals need three days' notice.
Claves de la cena
4.2/5Every meal is served in a private dining room. Dinner, starting at 17:30, 18:00 or 18:30, is a seasonal kaiseki built on Gunma produce: Jōshū Gin-hikari trout, Akagi chicken, Jōshū wagyu sirloin on a hot stone or Masuda beef you grill yourself, and chigirikko dumpling soup, with a konnyaku dish 'from the okami' for one spring 2024 guest. Opinions have cooled: a December 2024 repeat guest found nothing that stood out this time, and Ikyu reviewers in July and August 2026 were let down by a roast-beef main, wondered whether the head chef had changed, and one rated dinner 1 out of 5. A May 2025 guest also had a wrong drink and forgotten breakfast juice.
Onsen y bienestar: la realidad
A calcium-sodium sulfate-chloride spring (weakly alkaline, pH 8.04) from the inn's own sources, officially 100% free-flowing in every bath, though it may be heated in winter when the water cools. No mention of added water or recirculation was found. In-room baths are adjusted by changing the flow of spring water.
The real luxury is the bath in your room. The shared baths, Ichi-no-kura (dry sauna with self-löyly) and Sen-no-kura (mist sauna), each with an outdoor bath, swap between men and women at dinner time and open 13:00–10:30, closing 19:00–20:00 for cleaning. A summer walking bath and a private sauna, 3u7 Mt.1977 (90 minutes, ¥11,000 per person, two slots a day, swimsuits required), round it out. There are no reservable private baths. A February 2026 guest found the shared bath at only about 37°C, and a November 2025 guest found its sauna out of order and the outdoor walk cold.
No policy found on the official site or Japanese booking sites — contact the inn. Every room has its own onsen bath, so you can avoid the shared baths entirely.
Advertencias y matices locales
- 01
Prices rose for stays from 1 May 2026; in September 2026 the cheapest early-booking plan was about ¥117,800 for two with two meals, and larger rooms from about ¥128,800–131,000.
- 02
Check-in 13:00–18:00 and check-out 11:00. The free shuttle from JR Minakami station must be booked; it runs around check-out time. Free parking for 19 cars with EV chargers.
- 03
Maintenance complaints from 2025–2026: dust and a broken tap in a Japanese room B (November 2025), a door that wouldn't shut and a broken tap (February 2026), a dirty shuttle mat and smelly shower room (April 2026), and used tea leaves left in the pot (August 2026).
- 04
The building is not step-free: several room types have eight steps at the entrance. An April 2024 blogger travelling with a parent who uses a wheelchair chose a Japanese-Western room.
- 05
Children are allowed, but not infants or primary-school children in the Western and Japanese-Western rooms. A family with a three-year-old in summer 2024 got a kids' menu, a baby bath and a baby bed in the bathroom.
Antes de tu estancia
Recuerdos de Minakami y ayuda práctica para tu viaje.
Recuerdos de Minakami en Rakuten
Precios de Rakuten a 21 oct 2026: consulta la tienda para ver el precio y la disponibilidad actuales. Supported by Rakuten Developers Los enlaces de Rakuten son de afiliado: podemos recibir una comisión sin coste adicional para ti.
Fuentes
Los blogs y crónicas de estancia reales en los que se basa este artículo
Aparece en nuestras guías
Comparativas que incluyen este ryokan.
MICHELIN Key ryokan — what Japanese guests actually say
Twenty ryokan in our directory hold MICHELIN Keys in 2026. The Key tells you a stay is special; Japanese guests' reports tell you the catches — recirculated baths, uneven service, steep stairs and steeper prices.
Leer la guía
Ryokan with a private open-air bath in every room — and what's really in the tub
Ten ryokan where every room has its own open-air bath, sorted by what flows into it: free-flowing spring water, or onsen that is heated, recirculated or chlorinated. What Japanese guests report, and the catch at each.
Leer la guíaCréditos de las fotos
- Gora Kadan — the former Kan'in-no-miya imperial villa, Hakone · 663highland / CC BY 2.5
- Ajiro, Atami, Shizuoka · Asturio Cantabrio / CC BY-SA 4.0
Más informes de consenso
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Hoshi Onsen Chojukan
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Fujiwara, Minakami, Gunma — un ryokan solitario junto al arroyo Takaragawa, en lo alto del valle del río Tone, a unos 40 minutos en el autobús lanzadera del ryokan desde la estación de shinkansen de Jomo-Kogen
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Foto de la zonaKotohiraClásico
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A big, family-friendly onsen hotel below Konpira-san with 15 baths — rose-petal tubs, a garden bathhouse, a summer pool — and a decorated chef's stone-grill kaiseki; the water is heated and recirculated, and 2026 reviews flag upkeep slips
Leer el consensoFoto de la zonaKotohiraEconómico
Kotohira, Kagawa — on the busy shopping street at the foot of the Konpira-san approach, about 7 minutes' walk from JR Kotohira Station and 5 from Kotoden Kotohira
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こんぴら温泉湯元八千代
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Foto de la zonaKurokawa OnsenClásico
Kurokawa Onsen, Minamioguni, Kumamoto — un ryokan de madera junto al río con un anexo al otro lado del callejón, a poca distancia a pie de la parada de autobús de Kurokawa Onsen
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Fumoto Ryokan
ふもと旅館
Once baños privados gratuitos en los que basta con entrar, todas las bañeras con agua 100 % sin recircular, y la familia que inventó el pase de baños de Kurokawa — agua excelente y abundantes cenas caseras de campo, con muchas escaleras
- Habitaciones con onsen privado
Foto de la zonaKurokawa OnsenLujo
Manganji, Minamioguni, Kumamoto — on a private wooded hill above Kurokawa Onsen village, with free pickup from the Kurokawa Onsen bus stop; about 1½ hours by car from Kumamoto Airport
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Gekkoju Kurokawa
月洸樹 黒川
Ten detached villas on a forested hill above Kurokawa, each with its own free-flowing onsen bath, some as big as a small public bath. Bloggers rave about it, but prices have climbed steeply and a few 2025 reviews flag upkeep, dinner and service slips
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Créditos de las fotos: Hoshi Onsen Chojukan — the entrance in snow · veroyama / CC BY 2.0 / Takaragawa Onsen Osenkaku in winter, Minakami · kallerna / CC BY-SA 3.0 / Kotohira-gū (Konpira-san), Kagawa · Toto-tarou / CC BY-SA 3.0 / Kurokawa Onsen at night · MaedaAkihiko / CC0
Bettei Senjuan
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