Welcome to
“Aratae no Yu”

Natural Hot Spring ARATANE NO YU Tamiya Branch is a bathing facility where you can enjoy hot spring water that comes directly from 800 meters underground. At this facility, you can enjoy 10 types of baths including open-air baths, carbonic acid baths, pot baths, and electric baths. Dry sauna, salt sauna and bedrock bath are also available. Enjoy the Japanese onsen culture, which is soothing both for the mind and the soul.

Natural Hot
Spring
Natural Hot Spring
Large bedrock
bath room
Large bedrock bath room
Dining
Dining

Natural Hot Spring

The spring water is sodium chloride and bicarbonate hot spring.

Enjoy the hot spring water source as it gushes forth.

You can enjoy the spring water as it gushes out without adding water. Please enjoy the hot water rich in hot spring ingredients. (*Temperature is adjusted.) The hot spring water of “ARATAE NO YU” contains a very high amount of sodium ions (cations), chloride ions (anions), and bicarbonate ions (anions). You can enjoy the freshness and efficacy of the hot spring as a “chloride spring” or “bicarbonate spring”.

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    Opening hours: From 8:00 a.m. to 1:00 a.m. (last admission at midnight).
    On Fridays, Saturdays, and days before national holidays, hours are from 8:00 a.m. to 2:00 a.m. (last admission at 1:00 a.m.).
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    Closed: Second Wednesday of every month
Name of source ：
Natural hot spring, Aratae Beauty Skin Hot Spring
Hot spring temperature ：
29.4℃ (temperature 12.9℃)
Gushing volume ：
97.4 liters per minute (excavation: 800m, power pumping)
P H value ：
7.4
Spring Quality ：
Sodium chloride and bicarbonate hot spring (hypertonic, neutral, low temperature)

Indications and contraindications

【Indications for bathing】

Stiff joints, bruises, sprains, chronic digestive disorders, hemorrhoids, sensitivity to cold, convalescence, recovery from fatigue, and health promotion

【Contraindications for bathing】

Acute illness (especially with fever), active tuberculosis, malignant tumors, serious heart disease, respiratory failure, renal failure, hemorrhagic disease, high level of anemia, and other general contraindications High level of anemia, other diseases in progress, pregnancy (especially in the early and last trimester)

1F Natural Hot Spring
  • Natural hot spring (haku)
    Natural hot spring (haku)

    This bath allows you to enjoy the extremely high concentration of hot spring elements directly from the source.

  • Natural hot spring (Gen)
    Natural hot spring (Gen)

    This bath allows you to enjoy the extremely high concentration of hot spring elements directly from the source.

  • Carbonated hot spring（Gen・Haku）
    Carbonated hot spring（Gen・Haku）

    The effect of carbon dioxide gas promotes blood flow. Highly concentrated carbon dioxide fountains are attracting attention in the fields of medicine, nursing care, health, and beauty.

  • Ceramic bath (Haku only)
    Ceramic bath (Haku only)

    The far-infrared ray effect of ceramics warms the body from the core. There are four types of baths: Jacuzzi, normal, fountainhead (spring quality: hypertonic), and alternative baths.

  • Bath in a jar (Gen only)
    Bath in a jar (Gen only)

    This is a Shigaraki-ware pot bath. You can feel the infrared warmth of the pottery. This bath is exclusively for one person, so you can enjoy a luxurious bath time.

  • Inner bath (Gen)
    Inner bath (Gen)

    A variety of shampoos are available in the washing area. Please use them according to your mood.

  • Inner bath (Haku)
    Inner bath (Haku)

    A variety of shampoos are available in the washing area. Please use them according to your mood.

  • Electric bath (Gen, Haku)
    Electric bath (Gen, Haku)

    Weak electricity flows through the bath water. This is an underwater low-frequency therapy device in which electricity provides moderate stimulation. It relieves stiffness and pain in the body.

  • Reclining and standing baths (Gen , Haku)
    Reclining and standing baths (Gen , Haku)

    This is a jet bath in which hot water containing air bubbles spurts out. Feel the massaging effect of the water flow on your back and hips in the position of your choice.

  • Kawarawariyu (Gen and Haku)
    Kawarawariyu (Gen and Haku)

    The fragrance and effect of this bath changes depending on the day.

  • Dry sauna (Haku)
    Dry sauna (Haku)

    The high temperature dry heat promotes perspiration. In this sauna, you can enjoy the exhilarating sensation of sweat evaporating in the blink of an eye.

  • Salt sauna (Haku)
    Salt sauna (Haku)

    This is a slightly low-temperature sauna. Rubbing natural salt into the body promotes perspiration and skin care.

  • Water bath (gen. Haku)
    Water bath (gen. Haku)

    Use alternately with sauna. The sympathetic nervous system is stimulated and the autonomic nervous system works better.

  • Recliner bath (Haku)
    Recliner bath (Haku)

    Enjoy a relaxing half-body bath lying on a stone recliner.

  • Recliner bath (Gen)
    Recliner bath (Gen)

    Enjoy a relaxing half-body bath lying on a stone recliner.

Large bedrock bath room

One of the largest in Tokushima Prefecture

Please enjoy the most relaxing time
in our various bedrock bath rooms.

Bedrock bath is a “low-temperature sauna” in which you lie on heated natural stones and slowly warm your body with far-infrared rays emitted from the stones. At ARATAE NO YU, the temperature is properly controlled. It is not suffocating like a normal high-temperature sauna, and anyone can enjoy it easily for a long time. In addition, there are seven different types of bedrock spaces, each with different themes and different types of stones with different effects. It is a facility where you can enjoy a rich variety without getting bored.

2F Large bedrock bath room
  • Room for gathering
    Room for gathering

    This is the central space that is connected to all the rock rooms. The entire area is covered with heated flooring, so you can lie down and relax.

  • Beauty Room
    Beauty Room

    This is a room exclusively for women. It is covered with power stone boulders such as Kosui and Black Germanium, which have an acupressure effect.

  • Room of cool air
    Room of cool air

    This is a room filled with pleasant cool air where you can cool your body after the bedrock bath or wax sauna.

  • Salt Room
    Salt Room

    This room has a rock bed made of rock salt. The rock salt, rich in natural minerals, emits large amounts of negative ions and far-infrared radiation. In addition, there are bedrocks made of cassiterite and black germanium.

  • Healing Room
    Healing Room

    There are six types of rock formations: black germanium, green onyx, tourmaline, medicinal treasure jadeite (green and yellow), and jadeite.

  • Burning Room
    Burning Room

    Visitors can enjoy the aroma heat bath “Lowryu Sauna”. The “Lowlu Service” is also available, sending heat waves with a large fan.

  • Relaxation Room
    Relaxation Room

    This is a bright and open space. Reclining chairs allow you to relax.

  • Body Care Corner
    Body Care Corner

    Body care and esthetic treatments will thoroughly heal your body after taking a bath. Please enjoy an exquisite moment.

  • Resting Room
    Resting Room

    This healing room is equipped with reclining chairs with TVs. Enjoy a deeply relaxing time.

Dining

Soba Restaurant Aratae

Soba Restaurant Aratae

We offer an extensive lineup of individual dishes and set menus centering on our homemade soba noodles. The recommended menu item is Zarusoba. It is the perfect dish to warm up after taking a hot spring bath.

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    Opening hours: 11:00 a.m. to 11:00 p.m.
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    Closed: 2nd Wednesday of the month
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    Telephone: 088-633-0261
Dining

Sister Shops

Naruto Natural Hot Spring ARATAE no Yu

Naruto Natural Hot Spring
ARATAE no Yu

8-2, Kitanohama, Okuwajima, Nuyo-cho, Naruto City, Tokushima Prefecture
Opening hours/8:00 a.m. to 0:00 a.m. (last appointment at 11:00 a.m.)
Closed/unscheduled holidays
https://aratae.jp/naruto/

Yudokoro ARATAE Komatsushima

Yudokoro ARATAE
Komatsushima

13-1, Aza Kuroiwa, Tatemae-cho, Komatsushima City, Tokushima Prefecture
Opening/9:00 a.m. to 10:00 p.m. (last admission at 10:30 p.m.)
Closed/Third Tuesday of the month
https://aratae.jp/komatsushima/

Access

Usage Fees

Usage Fees

*Infants (under 3 years old) are not permitted to use the stone sauna.
*Mixed bathing is not permitted for children aged 7 and above.

User Guide

【Terms and Conditions of Use】

●Tattoos, gang members, and persons under the influence of alcohol are not permitted.
●People with skin conditions or contagious diseases are not permitted to enter.
●Guests under the age of 7 must be accompanied by a parent or guardian.
●Visitors under 18 years of age must be accompanied by a parent or guardian.
●Visitors under the age of 18 who are not accompanied by a parent or guardian may be asked to leave the building.
●No food, beverages, magazines, etc. are allowed in the building.
●Pets are not allowed in the building.
●No videos, cameras, cell phones, etc. are allowed. Please do not use cellular phones in a manner that may disturb other visitors.
●Do not use cell phones in a manner that may disturb other visitors.
●Please be sure to lock your locker.
●Please be sure to keep the key to your locker on your person so that you do not lose it.
●If you lose the key, you will be charged the actual cost of the locker.
●Please leave your valuables in the valuables locker next to the front desk.
●Lost and found items will be kept for one week. If you do not contact us, we will dispose of your lost and found items.
●The hotel is not responsible for accidents, injuries, loss, theft, or damage caused by crime in the parking lot or at the hotel.
●Smoking is not permitted in the hotel. Please smoke in the smoking room.
●Smoking and drinking are prohibited in the hotel for guests under 20 years of age.
●Alcoholic beverages will not be sold to guests driving cars, motorcycles, or bicycles.