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Onsen

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Outdoor pool, Naruko, Miyagi
Guidebook to Hakone from 1811

An onsen (温泉) is a term for hot springs in the Japanese language, though the term is often used to describe the bathing facilities and inns around the hot springs. As a volcanically active country, Japan has thousands of onsen scattered along its length and breadth. Onsen were traditionally used as public bathing places and today play a central role in directing Japanese domestic tourism.

Onsen come in many types and shapes, including outdoor (露天風呂 or 野天風呂, roten-buro or noten-buro) and indoor baths. Baths may be either public run by a municipality or private (内湯, uchiyu) often run as part of a hotel, ryokan or bed and breakfast (民宿, minshuku).

Onsen are a central feature of Japanese tourism often found out in the countryside but there are a number of popular establishments still found within major cities. They are a major tourist attraction drawing Japanese couples, families or company groups who want to get away from the hectic life of the city to relax. Japanese often talk of the virtues of "naked communion" (裸の付き合い, hadaka no tsukiai)[1] for breaking down barriers and getting to know people in the relaxed homey atmosphere of a ryokan with an attached onsen. Japanese television channels often feature special programs about local onsens.

The presence of an onsen is often indicated on signs and maps by the symbol ♨ or the kanji, 湯 (yu, meaning "hot water"). Sometimes the simpler hiragana character ゆ (yu) is used, to be understandable to younger children.

Roten-buro outdoor onsen at Nakanoshima in Nachikatsuura, Wakayama
Indoor onsen at Ōfuka Onsen

Traditionally, onsen were located outdoors, although a large number of inns have now built indoor bathing facilities as well. Onsen by definition use naturally hot water from geothermally heated springs. Onsen should be differentiated from sentō, indoor public bath houses where the baths are filled with heated tap water.

The legal definition of an onsen includes that its water must contain at least one of 19 designated chemical elements, including such minerals as iron, sulfur, and metabolic acid and be 25 °C or warmer before being reheated. Stratifications exist for waters of different temperatures. Major onsen resort hotels often feature a wide variety of themed spa baths and artificial waterfalls in the bathing area utaseyu (打たせ湯).

Onsen water is believed to have healing powers derived from its mineral content. A particular onsen may feature several different baths, each with water with a different mineral composition. The outdoor bath tubs are most often made from Japanese cypress, marble or granite, while indoor tubs may be made with tile, acrylic glass or stainless steel. Different onsen also boast about their different waters or mineral compositions, plus what healing properties these may contain. Other services like massages may be offered.

People often travel to onsen with work colleagues, friends, couples or their families.

Mixed bathing

Traditionally, men and women bathed together at the onsen and sentō but gender separation has been enforced since the opening of Japan to the West during the Meiji Restoration. Mixed bathing (混浴, konyoku) persists at some special onsen in rural areas of Japan,[2] which usually also provide the option of separate "women-only" baths or different hours for the two sexes. Men usually cover their genitals with a small towel while bathing, while women usually wrap their bodies in full size towels. Children of either sex may be seen in both the men's and the women's baths. In some prefectures of Japan, including Tokyo, where nude mixed bathing is banned, people are obligated to wear swimsuits or yugi (湯着, yugi), which are specialized clothing for baths.

Etiquette

Baskets

Ensuring cleanliness

At an onsen, as at a sentō, all guests are expected to wash their bodies and rinse themselves thoroughly before entering the hot water. Bathing stations are equipped with stools, faucets, wooden buckets, and toiletries such as soap and shampoo; nearly all onsen also provide removable shower heads for bathing convenience. Entering the onsen while still dirty or with traces of soap on the body is socially unacceptable.[3]

Swimsuits

Towels

Onsen guests generally bring a small towel with them to use as a wash cloth. The towel can also provide a modicum of modesty when walking between the washing area and the baths. Some onsen allow one to wear the towel into the baths, while others have posted signs prohibiting this, saying that it makes it harder to clean the bath. It is sometimes against the rules to immerse or dip towels in the onsen bath water, since this can be considered unclean. In this latter case, people normally set their towels off to the side of the water when enjoying the baths, or place their folded towels on top of their heads.

Noise

Onsen vary from quiet to noisy, some play piped music and often feature gushing fountains. Bathers will engage in conversation in this relaxed situation. There are usually prohibitions against rowdiness in the washing and bathing areas. A small amount of excess energy and splashing around is usually tolerated from children, however.

Shower cubicles

Tattoos

Many onsen ban bathers with tattoos, which in Japan, as in the West prior to the radical changes that have taken place in society, are perceived as a badge of criminality—Yakuza traditionally have elaborate tattoos. Despite this background reason, the rule is often enforced strictly against all, including foreigners, women, and even when tattoos are small and "peaceful".[4][5][6]

Therapy

The volcanic nature of Japan provides plenty of springs. When the onsen's water contains distinctive minerals or chemicals, the onsen establishments display what type of onsen it is.

Some examples of types of onsen include:

  • Sulphur onsen (硫黄泉, iō-sen)
  • Sodium chloride onsen (ナトリウム泉, natoriumu-sen)
  • Hydrogen carbonate onsen (炭酸泉, tansan-sen)
  • Iron onsen (鉄泉, tetsu-sen)

In Japan, it is said onsen have various medical effects.[7] Japanese people believe that a good soak in proper onsen heals aches, pains and diseases, and visit onsen to treat the illnesses, such as arthralgia, chronic skin diseases, diabetes, constipation, menstrual disorders and so on.[7]

These medical benefits have given onsen a central role in balneotherapy which is called "Onsen Therapy" (温泉療法, onsen-ryōhō). Onsen Therapy is a comprehensive bathing treatment conducted to maintain health, normalize dysfunctions and prevent illness.[7]

Risks

Although millions of Japanese bathe in onsen every year with few noticeable side effects, there are still contraindications to onsen usage, such as high blood pressure or heart disease.[8]

In recent years, Legionella bacteria have been found sporadically in onsen with poor sanitation.[9][10] Revelations of poor sanitary practices at some onsen have led to improved regulation by hot spring communities to maintain their reputation.[11]

There have been reports of infectious disease found in hot bodies of water worldwide, such as:

  • Various Naegleria species.[12] While studies have found the presence of Naegleria in hot spring waters, the worrisome Naegleria fowleri amoeba has not been identified.[12] Nevertheless, less than 5 cases have been seen historically in Japan, although not conclusively linked to onsen exposure.[13]

Many onsen have posted notices for visitors, reminding anyone with open cuts, sores, or lesions to not bathe. Additionally, in recent years onsen are increasingly adding chlorine to their waters to prevent infection, although many onsen purists seek natural, unchlorinated onsen that instead does not recycle its water, cleaning baths daily.[11] These precautions as well as proper onsen usage (i.e. not placing the head underwater, washing thoroughly before entering the bath) greatly reduces any overall risk to bathers.

Selected onsen

Kinosaki Hot Spring, Hyōgo, postcard circa 1910
Old Tsuru-no-yu Bathhouse in Nyūtō Onsen area, Akita
Winter bathing at Tsuru-no-yu roten-buro in Nyūtō, Akita
Kurokawa Onsen roten-buro in Kyushu
Japanese Macaques enjoying a roten-buro open-air onsen at Jigokudani Monkey Park
Yumura-onsen's hot-spring resort and forests in Shin'onsen, Hyōgo
Dōgo Onsen hot springs (main building) in Matsuyama, Ehime
Ginzan Onsen in Obanazawa, Yamagata
湯原温泉|Yubara Onsen]]], Okayama Prefecture, one of the largest mixed baths at the foot of Yubara dam

See also

References

  1. ^ This term should be carefully differentiated from the word skinship (スキンシップ, sukinshippu) which refers to the benefits of physical contact, for instance, on babies by their mothers.
  2. ^ "Japan's Konyoku (mixed gender) Onsen Best 100". Konyoku.org. Retrieved January 11, 2014.
  3. ^ In very isolated onsen, where there is no possibility to use soap before entering in the bath, onsen users are expected to at least rinse their body with the water of the bath before entering it.
  4. ^ Covering the offending tattoo with sticking plaster can sometimes solve the problem. "Onsen Warnings and Hassles"
  5. ^ Tattoo in Japan (2009-12-22). "Tattoo in Japan". Boing Boing. Retrieved 2010-12-07.
  6. ^ "Sunnypages - Tokyo reviews by English speakers". Sunnypages.jp. Retrieved 2010-12-07.
  7. ^ a b c Getting into hot water for health. The Japan Times. May 25, 2003.
  8. ^ "Hot Spring Treatment｜Hot Spring Encyclopedia｜ONSEN｜BEPPU CITY｜". City.beppu.oita.jp. Retrieved 2010-12-07.
  9. ^ H. Miyamoto; S. Jitsurong; R. Shiota; K. Maruta; S. Yoshida; E. Yabuuchi (1997). "Molecular determination of infection source of a sporadic Legionella pneumonia case associated with a hot spring bath". Microbiol Immunol. 41 (3): 197–202. doi:10.1111/j.1348-0421.1997.tb01190.x. PMID 9130230.
  10. ^ Eiko Yabuuchi (2004). "An outbreak of legionellosis in a new facility of hot spring Bath in Hiuga City". Kansenshogaku zasshi. 78 (2): 90–98. ISSN 0387-5911. PMID 15103899. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)
  11. ^ a b "Onsen: know what you're getting into". The Japan Times.
  12. ^ a b Shinji Izumiyama; Kenji Yagita; Reiko Furushima-Shimogawara; Tokiko Asakura; Tatsuya Karasudani; Takuro Endō (July 2003). "Occurrence and Distribution of Naegleria Species in Thermal Waters in Japan". The Journal of Eukaryotic Microbiology. 50 (s1): 514–5. doi:10.1111/j.1550-7408.2003.tb00614.x. PMID 14736147.
  13. ^ Yasuo Sugita (May 1999). "Primary amebic meningoencephalitis due to Naegleria fowleri: An autopsy case in Japan". Pathology International. 49 (5): 468–70. doi:10.1046/j.1440-1827.1999.00893.x. PMID 10417693. {{cite journal}}: Unknown parameter |coauthors= ignored (|author= suggested) (help)

Further reading

  • Hotta, Anne, and Yoko Ishiguro. A Guide to Japanese Hot Springs. New York: Kodansha America, 1986. ISBN 0-87011-720-3.
  • Fujinami, Kōichi. Hot Springs in Japan. Tokyo: Board of Tourist Industry, Japanese Government Railways; Maruzen Company, Ltd., 1936.
  • Neff, Robert. Japan's Hidden Hot Springs. Rutland, Vermont: Charles E. Tuttle, 1995. ISBN 0-8048-1949-1.
  • Seki, Akihiko, and Elizabeth Heilman Brooke. The Japanese Spa: A Guide to Japan's Finest Ryokan and Onsen. Boston: Tuttle Publishing, 2005. ISBN 0-8048-3671-X. Reprinted as Ryokan: Japan's Finest Spas and Inns, 2007. ISBN 0-8048-3839-9.
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