Best Sulfur Spring Hot Springs Ranking
146 hot springs
Sulfur springs contain hydrogen sulfide and sulfide ions, giving the water its characteristic milky-white color and distinctive rotten-egg smell. Considered one of Japan's most iconic onsen types, sulfur springs can be found at famous hot spring resorts such as Kusatsu and Hakone.
Sulfur springs have strong antibacterial properties and are said to help with chronic skin conditions, acne, and insect bites. They also dilate blood vessels, which may help improve hypertension and arteriosclerosis. However, the water can be irritating for people with sensitive skin or the elderly, so short soaks and rinsing off afterward are recommended.
Ranking Criteria
Hotel Iya Onsen
Simple Sulfur Spring
Kamiyu Onsen Kawara no Yu
Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type)
Noji Onsen Hotel
Simple Sulfur Spring
Makugawa Onsen Yoshikuraya Ryokan
Simple Sulfur Spring / Simple Hot Spring
Shin-Noji Onsen Sagamiya Ryokan
Simple Sulfur Spring
Makukawa Onsen Mitoya Ryokan
Simple Hot Spring / Simple Sulfur Spring
Takayu Onsen Tamagoyu
Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type)
Yamada Onsen Ooyu
Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type)
Goshogake Onsen
Simple Sulfur Spring
Yachi Onsen
Simple Hot Spring / Simple Sulfur Spring (Hydrogen Sulfide Type)
Nakabusa Onsen
Simple Sulfur Spring / Simple Hot Spring
Okukinu Hot Spring Kaniyu
Sulfur-containing - Sodium - Chloride - Bicarbonate Spring
Kirishima Shinmoesou
Sulfur Spring
Nikkou swa onsen
Sulfur-containing - Sodium - Chloride Spring / Sodium - Chloride - Bicarbonate Spring / Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type)
Yumata Hot Spring
Sulfur Spring
Toshichi Hot Spring
Sulfur Spring
Ubayu Hot Spring
Iron Spring / Sulfur Spring
Takayu Hot Spring(Onsen)
Sulfur Spring / Calcium - Magnesium - Sulfate Spring / Sulfate Spring
Nasu Shika no yu
Sulfur Spring
Sukawa
Sulfur Spring / Sulfate Spring / Sodium - Calcium - Chloride Spring
Sukayu
Sulfur Spring / Iron Spring
Numajiri
Sulfur Spring
Nozawa Hot Spring Asagama no yu
Sulfate Spring / Sulfur Spring / Sodium - Calcium - Chloride Spring
Nozawa Hot Spring Yokoochi no yu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nozawa Hot Spring Shinyu
Sulfur Spring / Sulfate Spring / Sodium - Calcium - Chloride Spring
Nozawa Hot Spring Taki no yu
Sulfur Spring / Sulfate Spring / Sodium - Calcium - Chloride Spring
Nozawa Hot Spring Matsuba no Yu
Sulfur Spring
Nozawa Hot Spring Akiha no yu
Sulfur Spring
Nozawa Hot Spring Shinden no yu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nozawa Hot Spring Kumanotearaiyu
Sulfur Spring
Nozawa Hot Spring Kamiterayu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nozawa Hot Spring Nakao no Yu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nozawa Hot Spring Juodo no Yu
Sulfur Spring
Nozawa Hot Spring Kawarayu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nozawa Hot Spring Ohyu
Sulfur Spring
Nyuto Hot Spring Tsuru no yu
Sulfur Spring / Sodium - Calcium - Chloride Spring / Bicarbonate Spring
Honsawa Hot Spring WildBath
Sulfur Spring / Calcium - Magnesium - Sulfate Spring
Renge Onsen Hakubadake Renge Onsen Lodge
Simple Acidic Spring / Magnesium - Bicarbonate Spring / Simple Sulfur Spring / Acidic - Aluminum-containing - Sulfate Spring
Renge
Sulfate Spring / Sulfur Spring
Iya no Yado Kazuraya
Simple Sulfur Spring
Unzen Kojigoku Onsenkan
Simple Sulfur Spring
Shinyu Onsen Kurikoma-so
Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type)
Kirishima Onsen Kawanoyu (River Bath)
Sulfur Spring
Kirishima Yunotani Onsen Yunotani Sanso
Simple Sulfur Spring (Hydrogen Sulfide Type)
Shirahone Hot Spring Awanoyu
Sulfur-containing - Calcium （ - Magnesium ） - Bicarbonate Spring (Hydrogen Sulfide Type)
Shirahone Hot Spring Katsurano-yu Maruei Ryokan
Sulfur-containing - Calcium （ - Magnesium ） - Bicarbonate - Sulfate Spring (Hydrogen Sulfide Type)
Shichimi hotspring Noten bath
Sulfur Spring / Sodium - Calcium - Chloride Spring / Sulfate Spring
Nyuto Hot Spring Kuroyu
Simple Sulfur Spring (Hydrogen Sulfide Type) / Sulfur Spring (Hydrogen Sulfide Type)
Doroyu hot spring
Simple Hot Spring / Simple Sulfur Spring / Acidic - Iron(II) - Sulfate Spring
Douko no yu (Wild Hot Spring Onsen)
Sulfur Spring
Takamagahara Onsen
Sulfur Spring
Ipponmatsu Hot Spring
Sulfur Spring
燕温泉 河原の湯
Sodium - Calcium - Chloride Spring / Sulfur Spring / Sulfate Spring / Chloride Spring
Tsubakuro Hot Spring
Sodium - Calcium - Chloride Spring / Chloride Spring / Sulfur Spring / Sulfate Spring
Mingei Modern Inn Unzen Fukudaya
Sulfur Spring
Myouban hot spring Nabeyama no yu
Sulfur Spring
Kinkayu Onsen
Sulfur Spring (Hydrogen Sulfide Type)
Kamuiwakka Falls
Sulfur Spring
Okunikko Yumoto Onsen Yunokoso
Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type)
Chikugogawa Onsen Ryokan Fukusenka
Alkaline Simple Hot Spring / Simple Sulfur Spring / Weakly Radioactive-containing
Tazawa Onsen Uchinyu
Simple Sulfur Spring
Bessho Onsen Daishi-yu
Simple Sulfur Spring
Bessho Onsen Oo-yu
Simple Sulfur Spring
Bessho Onsen Ishi-yu
Simple Sulfur Spring
Washikura Onsen Kogen Ryokan
Simple Sulfur Spring / Acidic - Iron(II) - Sulfate Spring
Takayu Onsen Adachiya
Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type)
Nakayamadaira Onsen Takuhide
Sulfur-containing - Sodium - Bicarbonate - Sulfate Spring (Hydrogen Sulfide Type)
Kurokawa Onsen Ryokan Sanga
Simple Sulfur Spring / Sodium - Chloride - Sulfate - Bicarbonate Spring
Jigoku Onsen Seifuso
Simple Sulfur Spring (Hydrogen Sulfide Type) / Simple Acidic Spring
Shibu Onsen Kanaguya
Sodium - Chloride Spring / Sulfate Spring / Sulfur Spring
Miyama Onsen Wakuwaku no Yu
Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type)
Matsukawa Onsen Kyounso
Simple Sulfur Spring
Norikura Hpt Spring Seseragi no yu
Sulfur Spring
屋敷温泉 秀清館
Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type)
Kunimi Hot spring
Sulfur Spring / Sodium - Bicarbonate Spring
Zao hot spring Large open-air bath
Sulfur Spring
Nyuto Hot Spring Magoroku
Simple Sulfur Spring
Yunotsuru Onsen Asahisou
Simple Sulfur Spring
Hirayama Onsen Ryokan Yunokura
Alkaline Simple Hot Spring / Simple Sulfur Spring
Yamazato Onsen Ryokan
Simple Sulfur Spring (Hydrogen Sulfide Type)
Sugaru no Tojiba (Sugaru Natural Hot Spring)
Simple Sulfur Spring
Sennen no Biyu Sondayama Onsen Wa (YAWARAGI)
Simple Sulfur Spring
Nakatsu-keikoku Yunomori
Simple Sulfur Spring
Komadori Onsen
Simple Sulfur Spring
Shimanto Genryu Iyashi-no-Sato Goroku Onsen
Simple Sulfur Spring
Yuno Onsen Houzanen
Simple Sulfur Spring / Alkaline Simple Hot Spring
Kaike Onsen Kaike Fuga
Sulfur-containing - Sodium - Chloride Spring
Haraigawa Onsen
Simple Sulfur Spring
Tsurugi no Yado Iwato
Sulfur-containing - Sodium - Chloride - Bicarbonate Spring
Tsukigatani Onsen Tsuki no Yado
Simple Sulfur Spring
Kyokoku no Yuyado Obokekyo Mannaka
Simple Sulfur Spring
Asebi Onsen Yasuragi no Sato
Simple Sulfur Spring
Matsuogawa Onsen
Simple Sulfur Spring
Ashino-yu Onsen Matsuzakaya Honten
Sulfur Spring
Ashino-yu Onsen Kinokuniya
Simple Sulfur Spring
Yusenchi Onsen Yado Yunosato
Simple Sulfur Spring
Hossho Onsen
Sulfur Spring
Nanki Katsuura Onsen Hotel Urashima
Sulfur-containing - Sodium - Chloride Spring
Narada Onsen Shiranekan
Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type)
Oze Hinoemata Onsen Hiuchi no Yu
Simple Sulfur Spring
Nakanosawa Onsen Oyado Manyoutei
Sulfur Spring
Fuke no Yu
Sulfur Spring
Ipponmatsu Hot Spring Tasuko no yu
Sulfur Spring
Babadani hot spring
Sulfur Spring / Simple Hot Spring
Kagusa hot spring
Sulfur Spring
Shin-Iya Onsen Hotel Kazurabashi
Simple Sulfur Spring
Sanjo-no-yu
Simple Sulfur Spring
Sanogawa Onsen
Simple Sulfur Spring
Shimofuro Onsen Tsubota Ryokan
Sulfur-containing - Sodium - Chloride Spring
Osorezan Onsen Shukubo Kichijokaku
Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type)
Tashiro Motoyu
Sulfur Spring (Hydrogen Sulfide Type) / Sodium - Sulfate Spring
Yokokawa Onsen Nakanoya Ryokan
Simple Sulfur Spring
Shimofuro Onsen Maruhon Ryokan
Sulfur-containing - Sodium - Sulfate - Chloride Spring (Hydrogen Sulfide Type)
Osuge Onsen Satomiya Ryokan
Simple Sulfur Spring
Motoyu Sarukura Onsen
Simple Sulfur Spring (Hydrogen Sulfide Type)
Shirakami Yatate Hikage Onsen
Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type)
Dake Onsen Yama no Hotel
Sulfur-containing - Calcium （ - Magnesium ） - Chloride Spring (Hydrogen Sulfide Type)
Yuhama Onsen Miura Ryokan
Simple Sulfur Spring / Sulfur Spring
Higashi-Naruko Onsen Kuroyu no Takatomo Ryokan
Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type) / Sodium - Bicarbonate Spring / Sodium - Calcium （ - Magnesium ） - Bicarbonate Spring
Komanoyu Onsen
Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type)
Kawatabi Onsen Fujishima Ryokan
Sulfur-containing - Sodium - Bicarbonate - Sulfate Spring / Sulfur Spring
Kiyotsukyo Yumoto Onsen Kiyotsukan
Sulfur-containing - Sodium - Chloride Spring / Simple Sulfur Spring
Oigami Onsen Yumoto Rakuzenso
Simple Hot Spring / Simple Sulfur Spring
Okunasu Onsen Omaru Onsen Ryokan
Simple Hot Spring / Simple Sulfur Spring
Okushiobara Shinyu Onsen Keiunkaku
Simple Sulfur Spring (Hydrogen Sulfide Type)
Shiobara Motoyu Onsen Hitou-no-Yado Gensenkan
Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type)
Shiobara Motoyu Onsen Oidekan
Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type)
Yokokawa Onsen Motoyu Yamadaya Ryokan
Simple Sulfur Spring
Horikawa Onsen
Sodium - Sulfate Spring / Sulfur Spring
Osuge Onsen Motoyu Ryokan
Simple Sulfur Spring
Irori no Yado Shichirigawa Onsen
Simple Sulfur Spring
Chikura Onsen Chikurakan
Sulfur-containing - Sodium - Chloride Spring
Benten Kousen
Sulfur Spring (Hydrogen Sulfide Type)
Sankukai Onsen
Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type)
Inunakiyama Onsen Yamanoyu
Simple Sulfur Spring
Hirase Onsen Tosuke-no-Yu Fujiya
Sulfur-containing - Sodium - Chloride Spring
Tsurunoyu Onsen (Ogouchiso)
Simple Sulfur Spring
Umegashima Onsen Yunoyado Ichikawa
Simple Sulfur Spring
Sumatakyo Onsen Suikoen
Simple Sulfur Spring
Minami-Alps Akaishi Onsen Shirakabaso
Simple Sulfur Spring
Zao Onsen Oomiya Ryokan
Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type)
Shintakayu Onsen Okushirabu Azumaya Ryokan
Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type)
Onogawa Onsen Takasagoya
Sulfur-containing - Sodium - Chloride Spring
Amihari Onsen Sennyo no Yu
Sulfur Spring
Harazuru Onsen
Simple Hot Spring / Alkaline Simple Hot Spring / Simple Sulfur Spring
Taisetsu Kogen Sanso
Simple Sulfur Spring
Comparison of Ranked Hot Springs
| Name | Prefecture | Water Quality | Source-fed | Onsen Value |
|---|---|---|---|---|
| Hotel Iya Onsen | Tokushima | Simple Sulfur Spring | Partial Natural Flow | 5 |
| Kamiyu Onsen Kawara no Yu | Nara | Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 5 |
| Noji Onsen Hotel | Fukushima | Simple Sulfur Spring | Natural Source Flow | 5 |
| Makugawa Onsen Yoshikuraya Ryokan | Fukushima | Simple Sulfur Spring, Simple Hot Spring | Natural Source Flow | 5 |
| Shin-Noji Onsen Sagamiya Ryokan | Fukushima | Simple Sulfur Spring | Natural Source Flow | 5 |
| Makukawa Onsen Mitoya Ryokan | Fukushima | Simple Hot Spring, Simple Sulfur Spring | Natural Source Flow | 5 |
| Takayu Onsen Tamagoyu | Fukushima | Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 5 |
| Yamada Onsen Ooyu | Nagano | Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 5 |
| Goshogake Onsen | Akita | Simple Sulfur Spring | Natural Source Flow | 5 |
| Yachi Onsen | Aomori | Simple Hot Spring, Simple Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | 5 |
| Nakabusa Onsen | Nagano | Simple Sulfur Spring, Simple Hot Spring | Natural Source Flow | 5 |
| Okukinu Hot Spring Kaniyu | Tochigi | Sulfur-containing - Sodium - Chloride - Bicarbonate Spring | Natural Source Flow | 5 |
| Kirishima Shinmoesou | Kagoshima | Sulfur Spring | Natural Source Flow | 5 |
| Nikkou swa onsen | Tochigi | Sulfur-containing - Sodium - Chloride Spring, Sodium - Chloride - Bicarbonate Spring, Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type) | - | 5 |
| Yumata Hot Spring | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Toshichi Hot Spring | Iwate | Sulfur Spring | Natural Source Flow | 5 |
| Ubayu Hot Spring | Yamagata | Iron Spring, Sulfur Spring | Natural Source Flow | 5 |
| Takayu Hot Spring(Onsen) | Fukushima | Sulfur Spring, Calcium - Magnesium - Sulfate Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nasu Shika no yu | Tochigi | Sulfur Spring | Natural Source Flow | 5 |
| Sukawa | Iwate | Sulfur Spring, Sulfate Spring, Sodium - Calcium - Chloride Spring | Natural Source Flow | 5 |
| Sukayu | Aomori | Sulfur Spring, Iron Spring | Natural Source Flow | 5 |
| Numajiri | Fukushima | Sulfur Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Asagama no yu | Nagano | Sulfate Spring, Sulfur Spring, Sodium - Calcium - Chloride Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Yokoochi no yu | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Shinyu | Nagano | Sulfur Spring, Sulfate Spring, Sodium - Calcium - Chloride Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Taki no yu | Nagano | Sulfur Spring, Sulfate Spring, Sodium - Calcium - Chloride Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Matsuba no Yu | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Akiha no yu | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Shinden no yu | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Kumanotearaiyu | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Kamiterayu | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Nakao no Yu | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Juodo no Yu | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Kawarayu | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 5 |
| Nozawa Hot Spring Ohyu | Nagano | Sulfur Spring | Natural Source Flow | 5 |
| Nyuto Hot Spring Tsuru no yu | Akita | Sulfur Spring, Sodium - Calcium - Chloride Spring, Bicarbonate Spring | Natural Source Flow | 5 |
| Honsawa Hot Spring WildBath | Nagano | Sulfur Spring, Calcium - Magnesium - Sulfate Spring | Natural Source Flow | 5 |
| Renge Onsen Hakubadake Renge Onsen Lodge | Niigata | Simple Acidic Spring, Magnesium - Bicarbonate Spring, Simple Sulfur Spring, Acidic - Aluminum-containing - Sulfate Spring | Natural Source Flow | 5 |
| Renge | Niigata | Sulfate Spring, Sulfur Spring | Natural Source Flow | 5 |
| Iya no Yado Kazuraya | Tokushima | Simple Sulfur Spring | Natural Source Flow | 4 |
| Unzen Kojigoku Onsenkan | Nagasaki | Simple Sulfur Spring | Natural Source Flow | 4 |
| Shinyu Onsen Kurikoma-so | Miyagi | Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Kirishima Onsen Kawanoyu (River Bath) | Kagoshima | Sulfur Spring | Natural Source Flow | 4 |
| Kirishima Yunotani Onsen Yunotani Sanso | Kagoshima | Simple Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Shirahone Hot Spring Awanoyu | Nagano | Sulfur-containing - Calcium （ - Magnesium ） - Bicarbonate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Shirahone Hot Spring Katsurano-yu Maruei Ryokan | Nagano | Sulfur-containing - Calcium （ - Magnesium ） - Bicarbonate - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Shichimi hotspring Noten bath | Nagano | Sulfur Spring, Sodium - Calcium - Chloride Spring, Sulfate Spring | Natural Source Flow | 4 |
| Nyuto Hot Spring Kuroyu | Akita | Simple Sulfur Spring (Hydrogen Sulfide Type), Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Doroyu hot spring | Akita | Simple Hot Spring, Simple Sulfur Spring, Acidic - Iron(II) - Sulfate Spring | Natural Source Flow | 4 |
| Douko no yu (Wild Hot Spring Onsen) | Gunma | Sulfur Spring | Natural Source Flow | 4 |
| Takamagahara Onsen | Toyama | Sulfur Spring | Natural Source Flow | 4 |
| Ipponmatsu Hot Spring | Akita | Sulfur Spring | Natural Source Flow | 4 |
| 燕温泉 河原の湯 | Niigata | Sodium - Calcium - Chloride Spring, Sulfur Spring, Sulfate Spring, Chloride Spring | Natural Source Flow | 4 |
| Tsubakuro Hot Spring | Niigata | Sodium - Calcium - Chloride Spring, Chloride Spring, Sulfur Spring, Sulfate Spring | Natural Source Flow | 4 |
| Mingei Modern Inn Unzen Fukudaya | Nagasaki | Sulfur Spring | Natural Source Flow | 4 |
| Myouban hot spring Nabeyama no yu | Oita | Sulfur Spring | Natural Source Flow | 4 |
| Kinkayu Onsen | Hokkaido | Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | 4 |
| Kamuiwakka Falls | Hokkaido | Sulfur Spring | Natural Source Flow | 4 |
| Okunikko Yumoto Onsen Yunokoso | Tochigi | Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Chikugogawa Onsen Ryokan Fukusenka | Fukuoka | Alkaline Simple Hot Spring, Simple Sulfur Spring, Weakly Radioactive-containing | - | 3 |
| Tazawa Onsen Uchinyu | Nagano | Simple Sulfur Spring | Natural Source Flow | 3 |
| Bessho Onsen Daishi-yu | Nagano | Simple Sulfur Spring | Natural Source Flow | 3 |
| Bessho Onsen Oo-yu | Nagano | Simple Sulfur Spring | Natural Source Flow | 3 |
| Bessho Onsen Ishi-yu | Nagano | Simple Sulfur Spring | Natural Source Flow | 3 |
| Washikura Onsen Kogen Ryokan | Fukushima | Simple Sulfur Spring, Acidic - Iron(II) - Sulfate Spring | Natural Source Flow | 3 |
| Takayu Onsen Adachiya | Fukushima | Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Nakayamadaira Onsen Takuhide | Miyagi | Sulfur-containing - Sodium - Bicarbonate - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Kurokawa Onsen Ryokan Sanga | Kumamoto | Simple Sulfur Spring, Sodium - Chloride - Sulfate - Bicarbonate Spring | Natural Source Flow | 3 |
| Jigoku Onsen Seifuso | Kumamoto | Simple Sulfur Spring (Hydrogen Sulfide Type), Simple Acidic Spring | Natural Source Flow | 3 |
| Shibu Onsen Kanaguya | Nagano | Sodium - Chloride Spring, Sulfate Spring, Sulfur Spring | Natural Source Flow | 3 |
| Miyama Onsen Wakuwaku no Yu | Nagano | Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Matsukawa Onsen Kyounso | Iwate | Simple Sulfur Spring | Natural Source Flow | 3 |
| Norikura Hpt Spring Seseragi no yu | Nagano | Sulfur Spring | Natural Source Flow | 3 |
| 屋敷温泉 秀清館 | Nagano | Sulfur-containing - Sodium - Calcium - Chloride - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Kunimi Hot spring | Iwate | Sulfur Spring, Sodium - Bicarbonate Spring | Natural Source Flow | 3 |
| Zao hot spring Large open-air bath | Yamagata | Sulfur Spring | Natural Source Flow | 3 |
| Nyuto Hot Spring Magoroku | Akita | Simple Sulfur Spring | Natural Source Flow | 3 |
| Yunotsuru Onsen Asahisou | Kumamoto | Simple Sulfur Spring | Natural Source Flow | 3 |
| Hirayama Onsen Ryokan Yunokura | Kumamoto | Alkaline Simple Hot Spring, Simple Sulfur Spring | Natural Source Flow | 3 |
| Yamazato Onsen Ryokan | Kochi | Simple Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Sugaru no Tojiba (Sugaru Natural Hot Spring) | Kochi | Simple Sulfur Spring | Natural Source Flow | 3 |
| Sennen no Biyu Sondayama Onsen Wa (YAWARAGI) | Kochi | Simple Sulfur Spring | Natural Source Flow | 3 |
| Nakatsu-keikoku Yunomori | Kochi | Simple Sulfur Spring | Circulation System | 3 |
| Komadori Onsen | Kochi | Simple Sulfur Spring | Natural Source Flow | 3 |
| Shimanto Genryu Iyashi-no-Sato Goroku Onsen | Kochi | Simple Sulfur Spring | Natural Source Flow | 3 |
| Yuno Onsen Houzanen | Yamaguchi | Simple Sulfur Spring, Alkaline Simple Hot Spring | Natural Source Flow | 3 |
| Kaike Onsen Kaike Fuga | Tottori | Sulfur-containing - Sodium - Chloride Spring | Circulation System | 3 |
| Haraigawa Onsen | Ehime | Simple Sulfur Spring | Natural Source Flow | 3 |
| Tsurugi no Yado Iwato | Tokushima | Sulfur-containing - Sodium - Chloride - Bicarbonate Spring | - | 3 |
| Tsukigatani Onsen Tsuki no Yado | Tokushima | Simple Sulfur Spring | Natural Source Flow | 3 |
| Kyokoku no Yuyado Obokekyo Mannaka | Tokushima | Simple Sulfur Spring | Circulation System | 3 |
| Asebi Onsen Yasuragi no Sato | Tokushima | Simple Sulfur Spring | Partial Natural Flow | 3 |
| Matsuogawa Onsen | Tokushima | Simple Sulfur Spring | Natural Source Flow | 3 |
| Ashino-yu Onsen Matsuzakaya Honten | Kanagawa | Sulfur Spring | Natural Source Flow | 3 |
| Ashino-yu Onsen Kinokuniya | Kanagawa | Simple Sulfur Spring | Natural Source Flow | 3 |
| Yusenchi Onsen Yado Yunosato | Nara | Simple Sulfur Spring | Natural Source Flow | 3 |
| Hossho Onsen | Oita | Sulfur Spring | Natural Source Flow | 3 |
| Nanki Katsuura Onsen Hotel Urashima | Wakayama | Sulfur-containing - Sodium - Chloride Spring | Natural Source Flow | 3 |
| Narada Onsen Shiranekan | Yamanashi | Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type) | Natural Source Flow | 3 |
| Oze Hinoemata Onsen Hiuchi no Yu | Fukushima | Simple Sulfur Spring | Natural Source Flow | 3 |
| Nakanosawa Onsen Oyado Manyoutei | Fukushima | Sulfur Spring | Natural Source Flow | 3 |
| Fuke no Yu | Akita | Sulfur Spring | Natural Source Flow | 3 |
| Ipponmatsu Hot Spring Tasuko no yu | Akita | Sulfur Spring | Natural Source Flow | 3 |
| Babadani hot spring | Toyama | Sulfur Spring, Simple Hot Spring | Natural Source Flow | 3 |
| Kagusa hot spring | Gunma | Sulfur Spring | Natural Source Flow | 3 |
| Shin-Iya Onsen Hotel Kazurabashi | Tokushima | Simple Sulfur Spring | Circulation System | 2 |
| Sanjo-no-yu | Yamanashi | Simple Sulfur Spring | Circulation System | - |
| Sanogawa Onsen | Yamanashi | Simple Sulfur Spring | Natural Source Flow | - |
| Shimofuro Onsen Tsubota Ryokan | Aomori | Sulfur-containing - Sodium - Chloride Spring | Natural Source Flow | - |
| Osorezan Onsen Shukubo Kichijokaku | Aomori | Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Tashiro Motoyu | Aomori | Sulfur Spring (Hydrogen Sulfide Type), Sodium - Sulfate Spring | Natural Source Flow | - |
| Yokokawa Onsen Nakanoya Ryokan | Ibaraki | Simple Sulfur Spring | - | - |
| Shimofuro Onsen Maruhon Ryokan | Aomori | Sulfur-containing - Sodium - Sulfate - Chloride Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Osuge Onsen Satomiya Ryokan | Ibaraki | Simple Sulfur Spring | - | - |
| Motoyu Sarukura Onsen | Aomori | Simple Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Shirakami Yatate Hikage Onsen | Akita | Sulfur-containing - Sodium - Chloride Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Dake Onsen Yama no Hotel | Aomori | Sulfur-containing - Calcium （ - Magnesium ） - Chloride Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Yuhama Onsen Miura Ryokan | Miyagi | Simple Sulfur Spring, Sulfur Spring | Natural Source Flow | - |
| Higashi-Naruko Onsen Kuroyu no Takatomo Ryokan | Miyagi | Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type), Sodium - Bicarbonate Spring, Sodium - Calcium （ - Magnesium ） - Bicarbonate Spring | Natural Source Flow | - |
| Komanoyu Onsen | Miyagi | Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Kawatabi Onsen Fujishima Ryokan | Miyagi | Sulfur-containing - Sodium - Bicarbonate - Sulfate Spring, Sulfur Spring | Natural Source Flow | - |
| Kiyotsukyo Yumoto Onsen Kiyotsukan | Niigata | Sulfur-containing - Sodium - Chloride Spring, Simple Sulfur Spring | Natural Source Flow | - |
| Oigami Onsen Yumoto Rakuzenso | Gunma | Simple Hot Spring, Simple Sulfur Spring | Natural Source Flow | - |
| Okunasu Onsen Omaru Onsen Ryokan | Tochigi | Simple Hot Spring, Simple Sulfur Spring | Natural Source Flow | - |
| Okushiobara Shinyu Onsen Keiunkaku | Tochigi | Simple Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Shiobara Motoyu Onsen Hitou-no-Yado Gensenkan | Tochigi | Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Shiobara Motoyu Onsen Oidekan | Tochigi | Sulfur-containing - Sodium - Chloride - Bicarbonate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Yokokawa Onsen Motoyu Yamadaya Ryokan | Ibaraki | Simple Sulfur Spring | Circulation System | - |
| Horikawa Onsen | Ibaraki | Sodium - Sulfate Spring, Sulfur Spring | Natural Source Flow | - |
| Osuge Onsen Motoyu Ryokan | Ibaraki | Simple Sulfur Spring | Circulation System | - |
| Irori no Yado Shichirigawa Onsen | Chiba | Simple Sulfur Spring | Natural Source Flow | - |
| Chikura Onsen Chikurakan | Chiba | Sulfur-containing - Sodium - Chloride Spring | Partial Natural Flow | - |
| Benten Kousen | Chiba | Sulfur Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Sankukai Onsen | Osaka | Sulfur-containing - Sodium - Bicarbonate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Inunakiyama Onsen Yamanoyu | Osaka | Simple Sulfur Spring | Circulation System | - |
| Hirase Onsen Tosuke-no-Yu Fujiya | Gifu | Sulfur-containing - Sodium - Chloride Spring | Natural Source Flow | - |
| Tsurunoyu Onsen (Ogouchiso) | Tokyo | Simple Sulfur Spring | - | - |
| Umegashima Onsen Yunoyado Ichikawa | Shizuoka | Simple Sulfur Spring | Natural Source Flow | - |
| Sumatakyo Onsen Suikoen | Shizuoka | Simple Sulfur Spring | Partial Natural Flow | - |
| Minami-Alps Akaishi Onsen Shirakabaso | Shizuoka | Simple Sulfur Spring | - | - |
| Zao Onsen Oomiya Ryokan | Yamagata | Acidic - Sulfur-containing - （ Sodium ） - Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Shintakayu Onsen Okushirabu Azumaya Ryokan | Yamagata | Sulfur-containing - Calcium Sulfate Spring (Hydrogen Sulfide Type) | Natural Source Flow | - |
| Onogawa Onsen Takasagoya | Yamagata | Sulfur-containing - Sodium - Chloride Spring | Natural Source Flow | - |
| Amihari Onsen Sennyo no Yu | Iwate | Sulfur Spring | Natural Source Flow | - |
| Harazuru Onsen | Fukuoka | Simple Hot Spring, Alkaline Simple Hot Spring, Simple Sulfur Spring | - | - |
| Taisetsu Kogen Sanso | Hokkaido | Simple Sulfur Spring | Natural Source Flow | - |
Frequently Asked Questions
Q.Why does sulfur spring water smell like rotten eggs?
A.The hydrogen sulfide gas contained in the water is responsible for the distinctive smell. Many onsen enthusiasts consider this smell a sign that the spring is working, and even enjoy it.
Q.Is it true that sulfur springs can discolor jewelry like rings?
A.Yes, it's true. Hydrogen sulfide can tarnish metal, so it's best to remove silver accessories before bathing.
Q.Who is sulfur spring water best suited for?
A.It's recommended for those concerned about chronic skin conditions or poor peripheral circulation, and for anyone who wants to experience a truly classic onsen.
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