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Mt. Inn
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Ryokans in Fukushima

Mt. Inn

岳温泉 mt.inn(マウントイン)

Fukushima onsen ryokan — Below Mt. Adatara, an onsen where something new begins

★ 3.0TrustYou 88/100 · 263 reviews|NihonmatsuFrom ₩167,130 / night (2 adults)
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PHOTOS

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ABOUT

About this ryokan

⛰️Below Mt. Adatara, an onsen where something new begins

Fukushima · Dake Onsen mt.inn

100% Kakenagashi onsen
1

100% Kakenagashi onsen

  • ♨️Neither diluted nor reheated — the source water simply flows through, 100% Kakenagashi.
  • 🌡️Two tubs, one hot and one lukewarm, so you can soak the way you prefer.
  • 💧The water travels about 8km from the Adatara range through Japan's longest hikiyu pipeline.
An acidic spring, rare in Japan
2

An acidic spring, rare in Japan

  • 🧪A strongly antibacterial acidic spring, long said to help with chronic dermatitis and atopy.
  • ✨It softens away dead skin, earning its name as a bihada, or beauty, bath.
Four types of bed rooms
3

Four types of bed rooms

  • 🛏️Twenty Western-style rooms were renovated in August 2022, and there are four types: Deluxe, Western, Loft and Japanese.
  • 🍳The Deluxe 'Dake' room has an in-room washing machine and kitchen — ideal for long stays and workations.
  • 🌲'Sky', 'Wood' and 'Forest' draw on Adatara's sky and woodland, while 'Adatara' has a modern Japanese feel.
Chef-made course dinners
4

Chef-made course dinners

  • 🥩The main is the 'Adatara mountain grill trio' — Fukushima beef, pork and chicken with seasonal local vegetables.
  • 🐟For fish, there is a course built around Abukuma Maple Salmon, raised in the clear waters of Abukuma.
  • 🍽️Breakfast is an energising buffet.
Facilities with real character
5

Facilities with real character

  • 🍺A cafe and bar pouring draught beer, Nihonmatsu local sake and an original blend coffee.
  • 🧗An 'Activity Hub' offering map-reading and climbing lessons plus gear rental.
  • 🏓There is a 90-tatami turfed Relax Room with Yogibo cushions, plus a driving simulator and kids' space.
Onsen × the outdoors
6

Onsen × the outdoors

  • 🥾Stays run on an experience-based all-inclusive model, bundling meals, drinks, onsen and activities.
  • 🚴Activities include fat-bike rental, morning yoga, early walks and evening bonfires in the Adatara outdoors.
  • 🌌Set in a mountain onsen village beneath Mt. Adatara's famous 'real sky'.
Access
7

Access

  • 🚄From Koriyama or Fukushima on the Tohoku Shinkansen, change to the Tohoku Main Line for Nihonmatsu.
  • 🚌About 25 minutes by local bus from Nihonmatsu Station, then 3 minutes on foot from the Dake Onsen stop.
  • 🚗About 15 minutes from Nihonmatsu IC on the Tohoku Expressway, with parking for 8 cars out front.
Four types of bed rooms
3

Four types of bed rooms

  • 🛏️Twenty Western-style rooms were renovated in August 2022, and there are four types: Deluxe, Western, Loft and Japanese.
  • 🍳The Deluxe 'Dake' room has an in-room washing machine and kitchen — ideal for long stays and workations.
  • 🌲'Sky', 'Wood' and 'Forest' draw on Adatara's sky and woodland, while 'Adatara' has a modern Japanese feel.
Chef-made course dinners
4

Chef-made course dinners

  • 🥩The main is the 'Adatara mountain grill trio' — Fukushima beef, pork and chicken with seasonal local vegetables.
  • 🐟For fish, there is a course built around Abukuma Maple Salmon, raised in the clear waters of Abukuma.
  • 🍽️Breakfast is an energising buffet.

At the foot of Mt. Adatara, Dake Onsen's 100% Kakenagashi acidic spring goes to work on tired limbs and tired skin. At mt.inn, where onsen, the outdoors and new challenges meet, start a journey of your own.

#DakeOnsen#MtInn#FukushimaOnsen#GensenKakenagashi#AcidicSpring#BihadaBath#MtAdatara#Workation

✨ Ask AI about this property

AI searches Mt. Inn's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

Read the property's own description▾

숙소 소개 원천에서 직접 끌어온 온천수를 자랑하는 이 호텔은 리모델링 완료 후 2019년 4월 개업 예정입니다. 찾아가는 길 니혼마쓰역에서 차로 이동할 수 있습니다.

* Translated from the description supplied by the property.

* 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.

ROOMS

Available rooms

POLICY

Good to know

체크인·체크아웃 · 체크인: 15:00 · 체크아웃: 10:00 · 최종 체크인: 23:00

* Translated from information supplied by the property; the cancellation policy shown at booking takes precedence.

GUIDE

New to ryokans?

From onsen etiquette to check-in — the things worth knowing first.

♨️ Onsen bathing etiquette🩹 Onsen with tattoos?✅ First-timer checklistAll guides →

FAQ

Frequently asked questions

What are the check-in and check-out times at Mt. Inn?
Check-in starts at 15:00 and check-out is by 10:00.
Where is Mt. Inn located?
It is in Fukushima Nihonmatsu. Address: 1-7 Dake Onsen, Nihonmatsu-shi, Fukushima.
How much does one night cost?
Recent lowest observed rate starts from ₩167,130 per night for two adults. Rates vary by date and room type, so a live search is most accurate.
What is the cancellation and refund policy?
Free-cancellation deadlines vary by rate plan and are shown with each room. Cancelling before the deadline gives a full refund.

Traveler ratings

TrustYou
88/100

263 reviews

Check-in / Check-out

Check-in

15:00

15:00 ~ 22:00

Check-out

10:00

Until 10:00

✨ Ask AI about this property

AI searches Mt. Inn's official website to answer. AI can be inaccurate, so please check the original page or the property before booking.

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Company: Diplat Laps Co., Ltd.
CEO: Kyungjun Jung
Tel: +82-2-3788-9137
Business Registration: 244-88-04002
E-commerce Registration: 2026-Seoul Gangseo-2302
Address: A-502, Doosan The Land Tower, 152 Magokseo-ro, Gangseo-gu, Seoul, Korea
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