Daimaru Asunarosou

♨️Birthplace of the Hidden Onsen Association, the Original Futamata Onsen

Fukushima, Ten'ei Village · Motoyu Daimaru Asunarosou

1

Where Japan's 'Hidden Onsen Association' Began

• 🏮Known as the birthplace of the 'Association to Protect Japan's Secluded Hot Springs,' whose founding members included the inn's owner
• 🌲A secluded hot spring cradled by mountains and streams at the foot of Mt. Futamata (1,544m)
• 📜A long-standing mountain inn descended from the Edo-era 'Daimaruya'

2

Open-Air Bath Right on the Stream

• 🌊The men's open-air bath sits right beside the Futamata River, filled with the sound of rushing water
• ♀️A separate women's open-air bath, 'Kodakara' (child-blessing), is also available
• 🍃A gentle, kakenagashi source water

3

A Rare Self-Flowing Rock Bath

• 🪨A rock bath where hot spring water wells up naturally through cracks in the stone
• ⏳Available on a time-slot basis, with three rare potholes carved into the riverbed
• 💧A naturally welling rock bath, rare even by national standards

4

Open-Air Springs Through Every Season

• ❄️Soak while watching snow fall over the valley in a snow-viewing open-air bath
• 🌸Spring greenery, summer streams, and autumn foliage each bring a different view
• 🛁Indoor baths, 'Asunaroyu,' are also available for both men and women

5

Refined Washoku at a Mountain Retreat

• 🍽️A calm Japanese-style course meal enjoyed deep in the mountains
• 🌅A simple, warm Japanese breakfast
• 🤫A mealtime meant for losing track of time and slowing down

6

Private Hot Springs in the Room

• ♨️Rooms are available with a kakenagashi open-air bath, or both an indoor and open-air bath
• 🏠Tatami rooms of 6, 8, 10, and 12 mats, plus rooms with a sunken kotatsu
• 🛏️Japanese-Western rooms with beds are also available

7

Autumn Colors at This Hidden Onsen

• 🍁Autumn foliage from the old-growth beech and asunaro forest surrounding the ryokan
• 🥾Hiking trails up Mt. Futamata and a walking path through 'Otome Forest'
• 🏞️Well connected to nearby sights such as Ouchi-juku and Tonohetsuri

8

Reached via Mountain Road from Shin-Shirakawa

• 🚐The reservation-only 'Yuttari Yacon-go' bus runs once a day from Shin-Shirakawa Station (about 90 minutes)
• 🚗About 90 minutes by car from Shirakawa IC on the Tohoku Expressway
• ❄️Roads are cleared of snow in winter, but studless snow tires are required

3

A Rare Self-Flowing Rock Bath

• 🪨A rock bath where hot spring water wells up naturally through cracks in the stone
• ⏳Available on a time-slot basis, with three rare potholes carved into the riverbed
• 💧A naturally welling rock bath, rare even by national standards

4

Open-Air Springs Through Every Season

• ❄️Soak while watching snow fall over the valley in a snow-viewing open-air bath
• 🌸Spring greenery, summer streams, and autumn foliage each bring a different view
• 🛁Indoor baths, 'Asunaroyu,' are also available for both men and women

Show more (6 more)▾

Here, where the spirit of protecting Japan's hidden hot springs first came together, soak in a mountain stream and a self-flowing rock bath, and feel the passage of time in the mountains.

#FutamataOnsen#DaimaruAsunarosou#JapanHiddenOnsen#FukushimaRyokan#OpenAirBath#SelfFlowingRockBath#HiddenOnsenAssociation#TeneiVillage

* 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.

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

What are the check-in and check-out times at Daimaru Asunarosou?

Check-in starts at 15:00 and check-out is by 10:00.

Where is Daimaru Asunarosou located?

It is in Fukushima Iwase-gun. Address: 5 Yumoto, Tenei-mura, Iwase-gun, Fukushima.

How much does one night cost?

Recent lowest observed rate starts from ₩365,101 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.