Hoshizora Onsen
The water that is collected in this onsen springs up from a depth of 1750 m and contains natural beauty-enhancing ingredients of low-alkalinity, creating an exquisite relaxation experience.
Guests can enjoy this outdoor onsen under a starry sky throughout the year.
Type
OnsenLocation
ARAI Bldg. 2F, Hoshizora Onsen & PoolHours of use
Open Hours listed in price list
Price
| Open Hours | Adults | Children | |
| Hotel Guest | Weekdays 5:00～10:00 (Last Entry 9:30) 13:00～23:00 (Last Entry 22:30) | Free | |
| Saturdays・Sundays・Holidays 5:00～23:00 (Last Entry 22:30) | |||
| Visitor | Weekdays 13:00～23:00 (Last Entry 22:00) | ￥1,300 | ￥800 |
| Saturdays・Sundays・Holidays 11:00～23:00 (Last Entry 22:00) | |||
| Use of Onsen after check-out | Weekdays 13:00～23:00 (Last Entry 22:00) | ￥500 | ￥250 |
| Saturdays・Sundays・Holidays 11:00～23:00 (Last Entry 22:00) | |||
※ Child price is for children 4-12 years old and under.
※ Prices are including tax.
[ Towels ]
・Please bring towels from your room for use at the Hoshizora Onsen.
Rented towels (Bath & Face Towels) at Hoshizora Onsen at ￥200 (tax included).
【 Use of hot springs before check-in/after check-out 】
You can use the hot springs before check-in/after check-out for the following rates.
Adults: ¥500 / Children: ¥250
* This offer is available to guests who stayed the previous day.
※ Prices are including tax.
[ Towels ]
・Please bring towels from your room for use at the Hoshizora Onsen.
Rented towels (Bath & Face Towels) at Hoshizora Onsen at ￥200 (tax included).
【 Use of hot springs before check-in/after check-out 】
You can use the hot springs before check-in/after check-out for the following rates.
Adults: ¥500 / Children: ¥250
* This offer is available to guests who stayed the previous day.
Hot Spring Benefits
LOTTE ARAI RESORT features Hoshizora Onsen, which flows from 1,750 meters underground.
This mildly alkaline hypotonic hot spring is gentle on the skin, excellent for hydration, and contains elements beneficial for beauty.
This mildly alkaline hypotonic hot spring is gentle on the skin, excellent for hydration, and contains elements beneficial for beauty.
Hot Spring Information
- Source : Okenashi Onsen
- Type : Simple Hot Spring
- Temperature : Source temperature: 31.4°C, Hot Spring Temperature: 41.0°C
- Type : Simple Hot Spring
- Temperature : Source temperature: 31.4°C, Hot Spring Temperature: 41.0°C
Indications
- Chronic muscle or joint pain and stiffness
(Rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia)
- Sensitivity to cold and peripheral circulation disorders
- Decreased gastrointestinal function, mild hypertension, impaired glucose tolerance (diabetes),
and mild high cholesterol
- Mild chronic digestive disorders, hemorrhoid pain
- Autonomic nervous system instability and stress-related symptoms
(such as sleep disorders and depressive states)
- Recovery from fatigue and health promotion
(Rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia)
- Sensitivity to cold and peripheral circulation disorders
- Decreased gastrointestinal function, mild hypertension, impaired glucose tolerance (diabetes),
and mild high cholesterol
- Mild chronic digestive disorders, hemorrhoid pain
- Autonomic nervous system instability and stress-related symptoms
(such as sleep disorders and depressive states)
- Recovery from fatigue and health promotion
Contraindications
- During the active phase of an illness (especially when accompanied by a fever)
- Active tuberculosis, advanced malignant tumors, severe anemia, or significant physical weakness
- Severe heart or lung disease, severe kidney disease with swelling
- Gastrointestinal bleeding or visible bleeding
- Acute exacerbation of chronic illnesses
- Active tuberculosis, advanced malignant tumors, severe anemia, or significant physical weakness
- Severe heart or lung disease, severe kidney disease with swelling
- Gastrointestinal bleeding or visible bleeding
- Acute exacerbation of chronic illnesses
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Facility Information
Bathing Station
Acclimating your body to the bath temperature and the hot spring's properties enhances the benefits of Hoshizora Onsen.
Main Bath
After sports and activities, relax and unwind in the main bath to ease the day’s fatigue.
Reclining Bath
The bubbles gently massage your body, helping to relieve fatigue.
Outdoor Jacuzzi
The gentle stimulation from the bubbles is ideal for recovering from sports and activities.
Waterfall Shower
The cascading water from the hot spring applies pressure, known as a waterfall shower.
The combined effects of the hot spring and high water pressure stimulate the body, improving blood circulation and relieving muscle tension.
The combined effects of the hot spring and high water pressure stimulate the body, improving blood circulation and relieving muscle tension.
Cold Bath
Alternating between the sauna, hot spring, and cold bath promotes blood circulation, boosts immunity, and balances the autonomic nervous and hormonal systems.
Rock Bath (Open-air Bath)
The open-air rock bath offers a unique charm distinct from indoor baths.
Enjoy the changing seasons with spring greenery, summer cicada songs, autumn foliage, and winter snow scenery in the great outdoors.
*May be closed depending on weather conditions.
Enjoy the changing seasons with spring greenery, summer cicada songs, autumn foliage, and winter snow scenery in the great outdoors.
*May be closed depending on weather conditions.
1st Floor Dry Sauna Temperature: 90° - 92°C
Work up a refreshing sweat in a short time, promoting blood circulation, relieving fatigue and shoulder stiffness, and providing an ideal refreshment.
Filled with rich indoor steam, it warms your body from the inside out.
Filled with rich indoor steam, it warms your body from the inside out.
1st Floor Women’s Sauna (Mist Sauna) Temperature: 40°C
With 100% humidity, it offers moisturizing and skin-beautifying effects.
The high humidity makes it a sauna that is gentle on both your skin and hair.
The high humidity makes it a sauna that is gentle on both your skin and hair.
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Notes
- Notes[ Prohibitions ]
- No shoes with dirt floors are allowed in the building.
- No gangsters are allowed to enter.
- Please refrain from bathing if you have a skin condition or contagious disease.
- No adult or child in diapers is allowed to enter the bathhouse.
- Drunken persons are not allowed to enter the bathhouse.
- No food or beverages are allowed in the bathrooms.
- Hair dyeing and other chemicals are not permitted in the bathrooms.
- Photography in the changing rooms and bathrooms is prohibited.
Please note that taking pictures without permission from staff may be considered “voyeurism,” even if the room is unoccupied.
If you are suspected of taking voyeuristic photos, we may ask you to confirm the data you have taken.
[ Notes ]
- Children under elementary school age are not allowed to use the venue.
- Please use the security box for valuables, etc.
- Any behavior that may cause inconvenience to other guests is prohibited.
Gallery
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