FUMOTO RYOKAN
| Sodium-Chloride Sulfate Spring | pH |
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| （低張性 中性 高温泉） | ||
| (Hypotonic, Neutral, Hyperthermal Springs) | ||
| 旧泉質名：含芒硝－食塩泉 | ||
Ideal for people like this
- Who have cold sensitivity
- Who have skin problems such as scars
- Who have dry skin
- Who are feeling stressed
- Address
- 6697 Manganji, Minami-Oguni machi, Aso-gun, Kumamoto, 869-2402, JAPAN
- Phone
- +81-967-44-0918
Official Website
Travel Journal
Hot Spring Power Chart (5-point scale)
※Large Public Open-air Bath "Momiji-no-Yu"
Hydrogen Ion Concentration (pH)
- Comment
- Hot spring for warming and beautifying the skin
Hot spring Specification
※This is an easy-to-understand expression based on the indications for each type of spring in the "Guidelines for Mineral Spring Analysis Tables" revised in July 2014 by the Ministry of the Environment.
| ①Mental recovery | ②Insomnia | ③Promote blood circulation | ④Sensitivity to cold | ⑤Dry skin |
| ⑥Cuts | ⑦Skin diseases | ⑧Hypertension (mild) | ⑨Heartburn (drinking) | ⑩Gastrointestinal disorders (drinking) |
| ⑪Constipation (drinking) | ⑫Lifestyle-related disease | ⑬Diabetes | ⑭Gout | ⑮Countermeasures against metabolic syndrome |
| ⑯Biliary system anxiety | ⑰Anaemia | ⑱Arthritis rheumatica | ⑲Spinal pain | ⑳Improved immunity |
| ㉑Muscle pain・Neuralgia | ㉒Mild asthma | ㉓Hemorrhoid pain | ㉔Recovery from an illness | ㉕Recovery from fatigue |
- ※Note①･･･Indications for each spring include autonomic instability and depression.(Simple springs・Chloride springs・Carbon dioxide springs)
- ※Note③･･･Indications for each spring include peripheral circulatory failure(Chloride springs・Carbonate springs・Carbon dioxide springs・Hydrogen sulphide type sulphur spring)
- ※Note④･･･Indications for each spring include sensitivity to cold (Chloride springs・Carbonate springs・Sulfur springs・Carbon dioxide springs) and Ferruginous springs
- ※Note⑦･･･Indications for each spring include xeroderma, atopic dermatitis, plaque psoriasis, epidermoid suppuration, chronic eczema (Chloride springs・Carbonate springs・Sulfate spring・Acidic springs・Sulfur springs)
- ※Note⑨･･･Indications for drinking each spring include reflux esophagitis (Carbonate springs)
- ※Note⑩･･･Indications for drinking each spring include atrophic gastritis, gastroduodenal ulcerations (Chloride springs・Carbonate springs)
- ※Note⑪･･･For drinking, Chloride springsandSulfate spring
- ※Note⑫･･･Indications for each spring include hypercholesterolemia, diabetes, gout (for bathing, Acidic springs・Radioactive springs/for drinking, Carbonate springs・Iodine containing springs・Sulphur springs)
- ※Note⑮･･･Indications for drinking each spring include hypercholesterolemia (Sulfate spring・Iodine containing springs・Sulfur springs)
- ※Note⑱⑲･･･Indications for each spring include rheumatoid arthritis, ankylosing spondylitis(Radioactive springs)
- ※Note⑳･･･Radioactive springs
- ※Note㉑㉔･･･Simple Springs is suitable for rehabilitation due to its low irritation, and is also called "Hot spring for Neuralgia" and "Hot spring for Stroke", although these are not listed as indications by spring quality.
| Applicable to indications by spring quality | Applicable to general indications |
7 Elements of Hot Springs for Beautiful Skin
Total4Points ※The number of points represents the quality of the "Hot spring for Beauty".
| Skin cleansing effect | Skin reviving effect | Skin whitening effect |
|---|---|---|
| Carbonate Springs | Sulfate Springs | Sulfur Springs |
| Skin smoothing effect | Skin Coating and moisturizing effect | Skin moisturizing effect | Cleaning Effects |
|---|---|---|---|
| (Weak) Alkaline Springs | Chloride Springs | Metasilicic acid(over 100mg/kg) | Metaboric acid(over 10mg/kg) |
- ※The "Four Best Beauty Springs" are said to be "Carbonate spring", "Sulfate spring", "Sulfur spring", and "(Weak) Alkaline simple hot spring".
- ※The "Chloride spring" coats the skin with a salt pack, keeping it warm and moisturized at the same time. It is also called "hot spring for finishing touch" to be taken after the "hot spring for beauty" in which exfoliation has been removed.
- ※Hot springs containing 100 mg/kg or more of metasilicicic acid have an excellent moisturizing effect and is said to be "hot spring for beauty".
- ※Hot springs containing 10 mg/kg or more of metaboric acid have a cleansing effect, is used in some eye drops, and is said to be effective in treating acne.
Water texture while bathing(5-point evaluation)
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| Powdery | |
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Chewy | |
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| Fizzy | |
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Tingling | |
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 Large Public Open-air bath "Momiji-no-Yu" |
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Skin feeling after bathing(5-point evaluation)
| Silky | |
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Dryness | |
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| Powdery | |
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Sticky | |
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| Moistly | |
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Warmly | |
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| Large Public Open-air bath "Momiji-no-Yu" |
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View from the open-air bath (5-point evaluation)
 View |
Surrounded by bamboo trees, enjoying the feeling of soaking in an open-air bath deep in the mountains. |
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| Bath |
Women's Open-air Bath "Uen-Yu" |
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Point 4 |
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Hot Spring Source Usage
| Water added No |
Heated No |
Disin fected No |
Circulated No |
Bath additive No |
|---|---|---|---|---|
| ○ | ○ | ○ | ○ | ○ |
| ※All bathtubs are 100% free-flowing hot-spring water | ||||
| Percentage of hot spring source |
100% | ||||
|---|---|---|---|---|---|
| Replacement frequency of hot spring water | Once per day | ||||
| Yield of hot spring water |
Hot water is drawn from the fountainhead managed by the Kurokawa Onsen Ryokan Association. Power pumping hot water. | ||||
| Distance from the source to the bathtub |
2~3 km (Gushes out in a woodland near a Kurokawa Onsen) | ||||
| How hot spring water is drawn | Drawn by a pipe | ||||
| How water temperature is adjusted | Lowering the temperature by exchanging with the private source of the sister ryokan "Ryokan Kounoyu", and adjusting the volume of hot water poured into the bathtub. | ||||
| Drinking Spring | None | ||||
| “Gensen-Kakenagashi” Bath | Large public bath (Open-air bath ) x 2, Private baths ( includes Open-air bath ) x 11, Open-air baths in guest rooms x 3, Footbath x 1 | ||||
Hot Spring Composition TableHot Spring Analysis Report
| Spring Quality | Sodium Chloride Sulfate Springs(Hypotonic, Neutral, Hyperthermal Springs) 旧泉質名：含芒硝－食塩泉 |
|---|---|
| Color of hot spring | Clear and light yellow |
| Scent of hot spring | Odorless |
| Dissolved substances | 1,530mg/kg(Sum of components (1) + (2) + (3), excluding gaseous substances) |
| Temperature of spring | 95.8℃(Outside was 18.3℃ at time of survey) |
| pH | 6.7(Neutral) |
| Yield | About 104 liters per minute Amount of hot spring use per person (yield / bath capacity):About 2.08 liters/person(maximum capacity of 50 people) |
Hot Spring Composition (Amount contained in 1 kg of spring)
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| ①Cation | mg | mval | mval% |
| Sodium Ion (Na+)★ | 271.20 | 11.80 | 68.54 |
| Calcium Ion (Ca2+) | 37.50 | 1.87 | 10.86 |
| Potassium Ion (K+) | 71.00 | 1.81 | 10.54 |
| Magnesium Ion (Mg2+) | 16.70 | 1.37 | 7.99 |
| Lithium Ion (Li+)★ | 1.70 | 0.25 | 1.45 |
| Manganese Ion (Mh2+) | 1.10 | 0.04 | 0.23 |
| Ferrous Ion (Fe2+) | 0.50 | 0.02 | 0.11 |
| Ferrous Ion (Fe3+) | 0.50 | 0.02 | 0.11 |
| Strontium Ion (Sr2+) | 0.20 | 0.00 | 0.02 |
| Ammonium Ion (NH4+) | 0.10 | 0.01 | 0.04 |
| Cations Total(1) | 400.7 | 17.21 | 100.00 |
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| ②Anion | mg | mval | mval% |
| Chloride Ion (Cl-)★ | 339.3 | 9.57 | 51.64 |
| Sulfate Ion (SO42-)★ | 359.0 | 7.47 | 40.33 |
| Bicarbonate Ion (HCO3-) | 88.0 | 1.44 | 7.78 |
| Bromide Ion (Br-) | 1.0 | 0.01 | 0.08 |
| Thiosulfate Ion (S2O32-) | 0.8 | 0.01 | 0.07 |
| Nitrate Ion (NO3-) | 0.8 | 0.01 | 0.07 |
| Fluoride Ion (F-) | 0.1 | 0.01 | 0.04 |
| Anion Total(2) | 789.0 | 18.53 | 100.00 |
| ③Undissociated Components | mg | mmol | |
|---|---|---|---|
| Metasilicic Acid (H2SiO3)★ | 305.90 | 3.92 | |
| Metaboric Acid (HBO2)★ | 32.20 | 0.74 | |
| Meta Arsenic Acid (HAsO2) | Less than 0.1 | Less than 0.1 | |
| Undissociated Components Total(3) | 338.1 | 4.65 | |
| ④Dissolved Gas Components | mg | mmol | |
|---|---|---|---|
| Free Carbon Dioxide (CO2) | 51.90 | 1.18 | |
| Dissolved Gas Components Total(4) | 51.9 | 1.18 | |
| Other Trace Components | |||
|---|---|---|---|
| Hydrogen Ion, Barium Ion, Aluminum Ion, Copper Ion, Zinc Ion, Total Chromium, Lead Ion, Total Mercury, Cadmium, Hydroxide Ion, Iodine Ion, Hydrogen Sulfide Ion, Dihydrogen Phosphate Ion, Carbonic Acid Ion, Nitrite Ion, Total Arsenic: Not detected |
★are the components related to the "spring quality" and the components that qualify conditions for "hot spring" and "therapeutic spring".
Indications by Spring Quality for Bathing (Revised on July 1, 2014)
Cuts, Peripheral circulatory disturbance, Sensitivity to cold, Depression, Dry skin
General Indications for Bathing (Revised on July 1, 2014)
Chronic pain or stiffness of muscles or joints (chronic phase of rheumatoid arthritis, osteoarthritis, lower back pain, neuralgia, frozen shoulder, bruises, sprains, etc.),
muscle stiffness by motor paralysis, excessive sensitivity to the cold, peripheral circulatory failure,
gastrointestinal hypofunction (slow digestion, intestinal gas formation, etc.),
mild hypertension, impaired glucose tolerance (diabetes), mild hypercholesterolemia,
mild asthma or emphysema, pains of hemorrhoids, autonomic instability,
various symptoms from stress (sleep disorders, depression, etc.),
restorative phase from illness, recovery from fatigue, health promotions
Contraindications by Spring Quality for Bathing (Revised on July 1, 2014)
None
General Contraindications for Bathing (Revised on July 1, 2014)
Active stage of diseases (especially when fever is accompanied), active tuberculosis,
advanced malignant tumor, or the case of significant debility involving severe anemia,
severe cardiac or lung diseases involving suffocation feelings with a little movement,
severe kidney disease involving edema, gastrointestinal bleeding,
when there is visible bleeding, acute exacerbation stage of chronic diseases, etc.
Indications by Spring Quality for Drinking
Not drinkable
Date of Analysis (The above hot spring composition table is cited from the survey data of the following institution)
October 9, 2009 DOJIN GLOCAL Co. Ltd
- ※Indications and contraindications for hot springs are in accordance with "The Standard Methods of Analysis for Mineral Springs" revised on July 1, 2014.
- ※Data was provided by the ryokan.
20 qualifications for "hot spring" and 8 qualifications for "therapeutic spring"
| Conditions/Components (contained amount in 1kg) ※If even one of the conditions is cleared, it is a "hot spring" or "therapeutic spring" |
A【Hot Springs Act】 Conditions of the "hot spring" |
B【The Guideline for analysis of Kosen】 Conditions of the "therapeutic spring" |
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|---|---|---|---|
| 1 | Temperature (when collected from source) | 25℃ or more | |
| 2 | Dissolved substances (excluding gaseous) | total amount over 1,000mg | |
| 3 | Free carbon dioxide (CO2) | over 250mg | over 1000mg (Carbon dioxide springs) |
| 4 | Lithium Ion (Li⁺) | over 1mg | ― |
| 5 | Strontium Ion (Sr2+) | over 10mg | ― |
| 6 | Barium Ion (Ba2+) | over 5mg | ― |
| 7 | Total Ferrous Ion [Fe2+(Ferro or ferri ion)+Fe3+(Ferro or ferri ion)] | over 10mg | over 20mg (Ferruginous Springs) |
| 8 | First Manganese Ion (Mn2+) | over 10mg | ― |
| 9 | Hydrogen Ion (H+) | over 1mg | over 1mg (Acidic Springs) |
| 10 | Bromine Ion (Br-) | over 5mg | ― |
| 11 | Iodine Ion (I-) | over 1mg | over 10mg (Iodine containing Springs) |
| 12 | Fluoride Ion (F-) | over 2mg | ― |
| 13 | Hydro Arsenate Ion (HAsO42-) | over 1.3mg | ― |
| 14 | Meta Arsenic Acid (HAsO2) | over 1mg | ― |
| 15 | Total sulfur (S) [HS-(Hydrogen sulfide ion)+S2O32-(Thiosulfate Ion)+H2S(Free hydrogen sulfide)] | over 1mg | over 2mg (Sulfur Springs) |
| 16 | Metaboric acid (HBO2) | over 5mg | ― |
| 17 | Metasilicic acid (H2SiO3) | over 50mg | ― |
| 18 | Bicarbonate soda (NaHCO3) | over 340mg | ― |
| 19 | Radon (Rn) | over 20 (unit: ten ppb curie) 20×10-10over Ci（curie） over 20（ten ppb curie） ＝74Bq（becquerel）／over 5.5 mache |
over 30 nanocurie（Radioactive springs） 30×10-10over Ci（curie） over 30(ten ppb curie) ＝111Bq（becquerel）／over 8.25 mache |
| 20 | Radium salt (as Ra) | 10-8mg over over 1/100 million mg |
― |
| Number of conditions cleared this "hot spring" or therapeutic spring" is: | 5 | 2 | |
| Total 7 Points | |||
Hot Spring Legends and More
Traditionally documented efficacies
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Historical figures who bathed in this hot spring
Haiku poet Takano Soju (1893-1976)
Celebrities who bathed in this hot spring
Numerous cultural and celebrity visitors, not mentioned due to private use
Hot Spring (Onsen) Report
FUMOTO RYOKAN, located in the center of the Kurokawa hot spring area, uses only free-flowing natural hot spring water in all of its baths. Free-flowing natural hot spring water means, in other words, that the source is poured into the bathtub once and the overflowing water is discarded. There is a well-thought-out device in the inn. The hot spring used at this inn is jointly managed by several inns. The temperature of the fountainhead is an extremely high 95.8°C. To bathe at the adequate temperature, one must add water to the hot spring to dilute it or reduce the volume of water poured into the bathtub to an extremely low level. Adding water weakens the components of the hot spring water, and if the volume of water is low, the frequency of hot water replacement is poor, making it impossible to bathe in a sanitary manner. Therefore, the ideal condition of free-flowing hot spring water is achieved by lowering the temperature through heat exchange between this hot spring and the private hot spring (60.5°C) located in the sister ryokan, Ryokan Kounoyu. They go to great lengths to ensure that people enjoy hygienic and fresh hot springs. The Spring Quality is "Sodium Chloride Sulfate Hot Springs". It is expected to have the double effect of being a Chloride Springs (salt spring) and a Sulfate Spring (sodium sulfate spring). The unique indications of this hot spring are Cuts, Peripheral circulatory disturbance, Sensitivity to cold, Depression, Dry skin. The Chloride Spring is commonly referred to as "Hot spring for warmth". The salt content in the water blocks the sweat glands, which helps to raise the deep body temperature, and the feeling of a warm body after bathing lasts longer. Although sensitivity to cold is an indication that applies to other types of springs as well, the chloride spring is particularly effective. It is also known as "Hot Spring for cuts" due to the bactericidal effect of the salinity of the spring. Sulfate Springs are thought to be particularly effective in treating hypertension, arteriosclerosis, and traumatic injuries when combined with sodium ions. Furthermore, because of its skin reviving effects (it stimulates the elasticity of the skin and prevents wrinkles), it is sometimes called "Hot spring for anti-aging" or "Hot spring for rejuvenation". These effects make sulfate spring water one of the conditions for being called a "Hot spring for beauty". The spring contains 305.9 mg of metasilicic acid per kilogram of spring water, more than six times the standard value (50 mg/kg) that qualifies it as a "hot spring". Metasilicic acid is a natural moisturizing component that is sometimes used as an ingredients in some cosmetics. After taking a bath, you will have moist skin. This is one of the conditions for the hot water to be called "Hot spring for beauty". It also contains 32.2 mg/kg of metaboric acid, more than six times the standard value (5 mg/kg). It has a cleansing effect on the skin and is expected to be effective in treating acne. Lithium ions are also of note, with a value of more than 1 mg/kg passing the "hot spring" standard. It is said to have antidepressant effects. The hot spring is neutral with a pH of 6.7. It is a low-irritant hot spring that does not depend on who is soaking in it. You can stay overnight and enjoy the hot spring baths within the inn. It is also a good place to stop by as a break from touring the hot springs of Kurokawa Onsen area, as it is a highly effective hot spring for calming the skin.
| Private bath "Tachiyu" | Open-air bath "Momiji-no-Yu" |
|---|---|
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| It is the largest of the private baths. The depth increases as you move from the front to the back, reaching a maximum depth of 150 centimeters, and you can stretch your legs by holding onto the wooden pillar in the center. Stretching your arms and legs to the fullest in a natural, comfortable posture puts no strain on your back or knees. | The open-air bath "Momiji-no-Yu" is basically for men, but from 9:00 p.m. to 10:00 p.m. it is for women only. Bathing while listening to the murmuring of the Tanohara River that flows below the open-air bath will provide a strong tipping point effect. |
| Private bath "Ichi-no-Yu" | Private bath "Go-no-Yu" |
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| The bathtub is constructed of stone and stands on a slope, providing an excellent view. It is interesting to note that the thriving trees provide just the right amount of shade. | The private baths are full of the atmosphere of the outdoors. Although not as large as the standing baths, small groups can enjoy a relaxing soak in the baths. Of course, the source of the water is free-flowing. |
Facility Report
Kurokawa Onsen in Kumamoto Prefecture is now playing a textbook role for all hot spring areas in Japan. Although it is a small hot spring resort located in the mountains, the individuality of each hot spring area is not compromised, and yet the overall impression of the hot spring area is one of uniformity.
As a finishing touch, Kurokawa Onsen sold "Onsen hopping pass" that allowed visitors to bathe in three baths for the purchase of one bill, and led visitors to tour the entire hot spring area while wearing yukata, which became very popular.
The entire town was captured as a single onsen ryokan, giving it a sense of unity, which won the sympathy of onsen fans.
It was the president and landlady of Fumoto Ryokan who came up with the idea for the "Onsen hopping pass", which is now commonplace in hot spring areas throughout Japan.
The inn is located on Kawabata-dori, the main street of Kurokawa Onsen, and has a total of 17 baths (2 open-air baths for men and women, 11 private baths including open-air baths, 3 open-air guest baths, and 1 footbath) for a total of 14 guest rooms, making it a true department store of hot springs.
The guest rooms are mainly rustic Japanese-style rooms, but there is also a guest room with an open-air bath and a bed in the annex.
The cuisine includes Kumamoto's famous horse sashimi and Higo beef, and is reasonably priced, so everything is highly rated.
You can truly feel the reason for the nationwide popularity of Kurokawa Onsen at this inn.
Travel Journal
Rates Data
| 1 night/2 meals fee | From 16,650 yen (tax included) |
|---|---|
| 1 night/Breakfast fee | From 11,150 yen (tax included) |
| Stay without meals | No settings |
| Staying alone | From 16,650 yen (tax included) |
| Private bath fee when overnight stay |
Free |
| Day stay | Available with the purchase of an onsen hopping pass (1,500 yen) |
| Private bath for day-stay |
No settings |
Facility Data
| Establishment | Established in 1955 |
|---|---|
| Check-In | 3:00 p.m. |
| Check-Out | 10:00 a.m. |
| Location and Environment | Hot spring area |
| Number of Rooms | All 14 rooms (Japanese-style room 11/Japanese-Western style room 2/Western-style room 1) |
| Number of People Accommodated |
50 persons |
| Parking Area | Available for 20 cars |
| Facilities | Banquet halls & Stores |
| Internet | Wi-Fi available |
| Barrier Free | Not supported |
| Toilet with washer | Equipped |
Transportation Access
| By train | ○From Fukuoka: Express buses available via Hakata Station, Tenjin Station, and Fukuoka Airport. (Nishitetsu Highway Bus) From Kumamoto: Highway buses via Kumamoto Station, Aso Kumamoto Airport, and Aso Station are available. (Trans-Kyushu Bus) ※For Trans-Kyushu Bus, there are two types of service: one includes sightseeing in Aso and the other does not. Also available from Beppu area. ※Sanko buses are also available from the Kumamoto area. Nishitetsu highway buses are available for Hita Station (many services, transfer at Hita Station) and for Jetate Onsen (few services). |
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| Shuttle bus | None |
| By car | Exit at the Hita Interchange or Yufuin Interchange on the Oita Expressway or at the Kumamoto Interchange on the Kyushu Expressway. |
| Address | Kumamoto/Kurokawa Onsen/FUMOTO RYOKAN 6697 Manganji, Minami-Oguni machi, Aso-gun, Kumamoto, 869-2402, Phone: +81-967-44-0918 |
- Data
- May 22, 2023
