Kirakubou/気楽坊

気楽坊きらくぼう

Bathing Complex

Chubu·Shizuoka

0550-87-5126 tokinosumika.com

Day Use

Yes

Mon07:00–09:30, 10:30–23:59

Tue07:00–09:30, 10:30–23:59

WedClosed

Thu07:00–09:30, 10:30–23:59

Fri07:00–09:30, 10:30–23:59

Sat07:00–09:30, 10:30–23:59

Sun07:00–09:30, 10:30–23:59

Open every day of the year. Last entry for the early morning bath (7:00-9:30) is 9:00, with checkout by 9:30. Last entry for the main session (10:30-24:00) is 23:00.

¥1,540

Day pass (10:30-24:00): 1,540 yen on weekdays, 2,090 yen on weekends and holidays; child (age 5 through 6th grade) 715 yen / 935 yen. Night pass (18:00-24:00): 1,320 yen / 1,540 yen. Short-stay pass (60 minutes): 814 yen / 1,034 yen. Morning bath (7:00-9:30, every day): 1,000 yen adult, 500 yen elementary schooler, 300 yen preschooler (age 3+). Towel rental and yukata rental cost extra.

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

SaunaYes

Dry heat sauna room

Cold BathYes

Cold water plunge bath, typically used after sauna

Capabilities

Mixed BathingNo

Shared bathing area for all genders

Every bath/sauna zone is listed separately under men's (男湯) and women's (女湯) headings with no mixed-bathing offer; only young children (up to age 6) may accompany a parent of the opposite gender.

Policies & Services

TattooNo

Allows entry with visible tattoos

KidsWith Conditions

Welcomes children and families

Opposite-gender child co-bathing limited to age 6 and under; children not yet toilet-trained must use the baby bath or the women's cypress (mom & baby) bath.

DiningYes

Restaurant or dining open to visitors (not just hotel meal plans)

WashingYes

Shower, wash stations, soap and shampoo provided

TowelsYes

Towels available to rent or borrow

Rest AreaYes

Relaxation space for after bathing

ParkingYes

On-site or nearby parking available

最上西箱根温泉神山1号

Mogami-Nishi-Hakone Onsen Kamiyama No. 1

Operated by · 株式会社時之栖

湯

Simple

Color: nearly colorless and transparent
Taste: tasteless
Odor: odorless

Sodium Bicarbonate-Chloride spring

pH 9.0AlkalineTop-decile alkaline

Composition fingerprint0.3 g/kg dissolved · Hypotonic

Na⁺89

HCO₃⁻49

Cl⁻28

CO₃²⁻14

◀ CationsAnions ▶

Sodium Na⁺: salt's cation — pairs with chloride to make the water salty.
Bicarbonate HCO₃⁻: "soda" — softens skin, leaves it smooth.

Known good for

Smooth skindry, rough skin
Recoveryfatigue, stress

An alkaline simple thermal spring drawn from the Mogami-Nishi-Hakone Kamiyama No. 1 well in Gotenba. At pH 8.96 the water carries the slippery, soft-on-skin feel of Japan's beauty-water family, while a light mineralization of 345 mg/kg keeps it gentle and unobtrusive. The wellhead emerges at 32.7 °C — a cool source that is reheated for bathing.

Sampled at wellhead·Analyzed Sep 28, 2016·芝浦セムテック株式会社·Cert no. 第X0701187号

Explore the water

Views

Mountains

Highlights

Cave Bath

Jet Bath

Steam Sauna

Lukewarm Bath

About

Kirakubo is the day-use bathing hall inside the Tokinosumika resort in Gotemba, with seven bath and sauna types on each side, men's and women's. Among them: a big indoor bath, an outdoor bath (with a smaller one built into a rock cave), a carbonated bath, a dry sauna and a low-temperature steam sauna that lets off steam at intervals so you sweat gradually, and a cold bath fed by groundwater off Mount Fuji. The women's side also has a reclining bath, a jet bath, a themed bath that changes its blend day to day, and a hinoki tub set aside for moms bathing with babies. The water is smooth on the skin, and on a clear day the outdoor bath looks straight at Mount Fuji. It's an older building that's kept up well rather than flashy, with a rest lounge, a manga corner, a retro-game corner, and a restaurant that shares the same Fuji view.

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1 year ago

195. Kirakubou, Gotemba Old super sento that's seen some life. Paid 1540, which includes a rental bag, pants, shirt, three small towels, and one large one. There are private baths (didn't take), massage, chill zones, a dining area, massage chairs, a shop, and a few arcade machines. They stamp the Shizuoka 60 Onsen book. The Fuji view situation is very unclear and there are no good photos (so I included an ad from the official website). Can't fully confirm since Fuji wasn't visible at all on my day. The website claims it's visible in good weather. As I understood, there's a decent view from one private bath, and from the public bath it's supposedly from some angle or a specific spot. 1. Outdoor bath section. 1.1. Large stone bath with a canopy. Clear water, temperature 41, slight chlorine smell. 1.2. Another identical large bath with canopy. Didn't notice any differences. 1.3. Solid sauna with lying spots. 1.4. Cold bath. 1.5. Some sort of outdoor sauna tent or something. Didn't understand its purpose, and it was closed. 2. First indoor zone. 2.1. Main bath, clear water, temperature 43. 2.2. Carbonated bath with a TV, clear water, temperature 38-39. Due to the temperature and the TV — higher concentration of elderly men. 2.3. Sauna. 2.4. Cold bath. 3. Second indoor zone. 3.1. Main bath, clear water, temperature 43. 3.2. Salt bath, clear water, temperature rather warm. The saltiness is very strong — all my insect bites on my legs immediately started stinging badly. They ask you to shower before going to other baths. The website claims they import salt from the Dead Sea and dissolve it in the onsen. 3.3. A separate single-person barrel/box. Red herbal water. Couldn't get in — the elderly men were occupying it constantly. 3.4. Sauna. 3.5. Cold water bath. Interesting place with a decent number of baths and saunas, including rare ones. On a trip to Gotemba, can recommend visiting + makes sense to also go to the neighboring super sento Gotemba Kogen Gensen Chame-Yudono just a few minutes away. I believe they have the same owners.

Last updated July 16, 2026