Nature-Immersion Onsen & Sauna
Open-air baths that dissolve into the forest. Cold plunges drawn from mountain streams. We curate ryokan, onsen hotels and day-use bathhouses where bathing and the surrounding nature feel inseparable — a deep forest-bathing experience layered with the onsen and sauna ritual, whether you stay overnight or visit just for the day.
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Nature-Immersion Day-Use Onsen, Hotels & Ryokan
52 of 120 have photography — shown first
Hokkaido
Noboribetsu Grand Hotel
Noboribetsu's welcoming hall, where the Oni Sauna and three renowned springs melt away body and mind
Hokkaido
KIKI Shiretoko Natural Resort
Enjoy four distinctive saunas and a natural hot spring embraced by the Shiretoko forest
Saga
OND SAUNA
An outdoor sauna where you can experience Takeo's nature with all five senses
Saga
Mifuneyama Rakuen Hotel
A premium resort in harmony with Mifuneyama's nature
Nagano
Hoshino Onsen Tombo no Yu
A premium Karuizawa resort where you can totonou in a natural hot spring with water flowing directly from the source and the forest’s spring water
Miyagi
Aiko Tenkū no Yu Soyogi no Mori
A healing grove where natural hot spring water from 1,100m underground and innovative saunas invite you in
Yamagata
Shonai Hotel Suiden Terrasse
A hotel floating above the rice fields, featuring a natural hot spring fed directly from the source and designer saunas
Oita
Okuhita Onsen Umehibiki
A superb hot spring resort embraced by panoramic views of Hiwaki Valley and famous water
Fukuoka
Nansuikaku
A retreat embraced by the murmuring of the Inunaki River, with a variety of open-air baths and a rejuvenating cold spring
Fukushima
Urabandai Lake Resort Goshikinomori
A superb highland resort where you can relax with the spectacular views of Lake Hibara and a natural hot spring that leaves your skin feeling beautiful
Hokkaido
Yuyado Daiichi
A free-flowing natural hot spring inn where, after the sauna, you immerse yourself in the clear stream
Kochi
OMO7 Kochi by Hoshino Resorts
Experience Kochi's okyaku culture and the nature of Tosa. Fill body and mind with the energy of Yosakoi and the sauna equipped with auto-löyly
Hokkaido
Akanko Yuku no Sato Tsuruga
An upscale resort where you can fully enjoy the breathtaking views of Lake Akan and natural hot springs
Hokkaido
Shikotsuko Tsuruga Resort Spa Mizu no Uta
Natural hot spring that nurtures beautiful skin, and a herb löyly sauna wrapped in blue light
Kumamoto
Ryokan Sanga (Kurokawa Onsen)
A hidden hot spring inn in Kurokawa embraced by two private springs and the silence of the forest
Nagano
GLAMDAY STYLE HOTEL & RESORT KYU-KARUIZAWA
A luxury resort that delivers state of perfect relaxation with a renowned spring from Kita-Karuizawa and two kinds of saunas
Ishikawa
Shirasagiyu Tawaraya
A supreme free-flowing natural hot spring with 800 years of history and a spectacular view of Kakusenkei Valley
Hokkaido
Takinoya Noboribetsu Onsenkyo
An exceptional hot spring inn soothed by four natural hot springs and the forests of Noboribetsu
Gifu
Gero Onsen Ogawaya
Fully savor the gentle natural hot spring of Gero Onsen and bath hopping through its variety of large baths
Hokkaido
Jozankei Tsuruga Resort Spa Mori no Uta
A resort embraced by the forest of Jozankei, offering high-quality natural hot springs and an authentic sauna
Shizuoka
Akazawa Geihinkan
An exceptional sukiya-style detached inn where every room features an open-air bath with deep ocean water
Hokkaido
Toya Lake Tsuruga Resort Hikari no Uta
A blissful stay with private open-air baths in the guest rooms overlooking magnificent Lake Toya and natural hot springs
Shizuoka
Ochiairo
A cultural property inn where you can unwind with natural hot spring water and 5 types of saunas
Kanagawa
Hakone Gora Karaku
Scenic open-air baths with views all the way to Sagami Bay, and open-air hot spring baths in every guest room
Kanagawa
Hakone Ashinoko Hanaori
A lakeside inn where the open-air bath overlooking Lake Ashi takes center stage
Gifu
Natural Hot Spring Mitsumine
Source-fed natural hot spring and authentic löyly sauna in a Japanese-style setting
Oita
Yuy Ebisu
Myoban's traditional box steam bath and two superb springs. A soothing space on a hill overlooking Beppu Bay
Fukuoka
FURO & SAUNA THE VANISH
A blissful bathing space wrapped in the gentle heat of wood-burning stoves and tile art inspired by famous paintings
Shizuoka
Fukisarashi-yu
The rustling of leaves, the songs of birds, and the passing breeze. A satoyama bath that soothes all five senses in a large open space created by a wooden hand-built log construction method.
Chiba
SATOYAMA TERRACE
A sacred site for outdoor sauna where the Satoyama breeze and water satisfy all five senses
Hokkaido
Kitoushi no Mori Kitoron
A forest retreat where you can enjoy authentic saunas and groundwater from the Daisetsuzan mountain range
Hokkaido
Hotel Taisetsu ONSEN&CANYON RESORT
A mountain resort where you can enjoy natural hot spring water straight from the source and a sauna with spectacular views
Hokkaido
Aono Bi Yuyu
An inn where you can soak in Biei’s valley beauty and a famous spring fed 100% directly from the source
Fukuoka
Hotel Parens Onoya
Kyushu's first tatami bath and a "double beauty bath" combining two types of spring water
Hokkaido
Kitaten no Oka Abashiri Lake Tsuruga Resort
A hot spring inn wrapped in the romance of Okhotsk culture and the Yobito forest, with authentic Nordic sauna and its own natural spring waters
Hokkaido
The Lake Suite Ko no Sumika
An infinity hot spring that blends with Lake Toya and an authentic sauna with breathtaking views
Hokkaido
Jozankei View Hotel
A sky open-air bath 60 m above ground and six innovative saunas that stimulate the five senses
Hokkaido
Toya Sun Palace Resort & Spa
A semi-open-air bath that blends into the spectacular scenery of Lake Toya, plus a full-fledged self-löyly sauna
Osaka
SPA&SAUNA Mizuho Hattori Ryokuchi
A lush premium spa featuring a natural hot spring drawn directly from the source and three types of sauna
Kagawa
Livemax Resort Sanuki Shionoe Onsen
A forest hideaway resort where you can enjoy a sauna with self-löyly and a famous hot spring
Hokkaido
Livemax Resort Hakodate Greenpia Onuma
Natural hot spring straight from the source, embraced by nature, with authentic löyly
Hokkaido
Aonoza, Tsuruga Bessou at Lake Shikotsu
A luxury ryokan where you can enjoy the spectacular blue waters of Lake Shikotsu and a silky, skin-beautifying hot spring in your room
Hokkaido
Niseko Konbu Onsen Tsuruga Bessou Moku no Sho
An adult hideaway ryokan in Oku-Niseko, wrapped in the breath of the forest and the murmur of the stream
Hokkaido
Akan Tsuruga Bessou Hina no Za
Every room comes with a private open-air hot spring bath. A quiet adults-only hideaway embraced by the nature of Akan
Hokkaido
Kussharo Lake Tsuruga Auberge SoRa
A natural auberge where you can enjoy the grandeur of Kussharo Lake and a barrel sauna
Ibaraki
Hitachinaka Onsen Kirari Bettei
A hidden retreat for adults only
Ibaraki
Tsukuba Onsen Kirari Bettei
An open-air bath embraced by a hinoki cypress forest, and a natural hot spring with free-flowing source water
Saitama
Tokorozawa Onsen Yurakunosato
An open-air bath embraced by trees that are 100 years old, and a natural hot spring flowing directly from the source
Saitama
Miyazawako Onsen Kirari Bettei
Enjoy the best location and the finest relaxation to your heart's content
Tokyo
Freshland Nishitama Yotsuba no Yu
A healing retreat of natural hot springs and an authentic sauna, wrapped in Nishitama's greenery and breeze
Kanagawa
Yokohama Aoba Onsen Kirari Bettei
Release your body and mind in a natural hot spring with free-flowing water overlooking a bamboo grove
Hokkaido
Grand Blissen Hotel Jozankei
A luxurious totonou experience in a hot spring observation bath with stunning valley views and an extra-cold underground water cold plunge bath
Hida Takayama Onsen
LiveMax Resort Hida Takayama ~Garyu no Sato~
Natural Hot Spring ・ Sauna Available
Hokkaido
Live Max Resort Hakodate Shikabe Onsen
Natural Hot Spring ・ Sauna Available
Iwate
Live Max Resort Hachimantai Forest
Natural Hot Spring ・ Sauna Available
Hakone Sengokuhara Onsen
Livemax Resort Hakone Sengokuhara
Natural Hot Spring ・ Sauna Available
Lake Ashi and Motohakone Onsen
LiveMax Resort Hakone Ashinoko
Natural Hot Spring ・ Sauna Available
Kinugawa Onsen
Livemax Resort Kinugawa
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Tochigi
Livemax Resort Kawaji
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Echigo-Yuzawa Onsen
Livemax Resort Echigo Yuzawa
Natural Hot Spring ・ Sauna Available
Yamanashi
Livemax Resort Yatsugatake Kogen
Specialty Bath ・ Sauna Available
Isawa Onsen
Livemax Resort Isawa Onsen
Natural Hot Spring ・ Sauna Available
Atami Onsen
Live Max Resort Atami Forest
Natural Hot Spring ・ Sauna Available
Ito Onsen
LiveMax Resort Ito-Kawana
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Shizuoka
Livemax Resort Amagi Yugashima
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Okayama
Livemax Seto Ohashi Beach Resort
Specialty Bath ・ Sauna Available
Ehime
Livemax Resort Oku Dogo
Natural Hot Spring ・ Free-flow from source
Okinawa
Livemax Ams Canna Resort Villa
A villa in Okinawa where you can relax in a Northern European barrel sauna overlooking the sea
Hyogo
Kyukamura Minami-Awaji
Natural Hot Spring
Fukushima
Kyu-Kamura Urabandai
Natural Hot Spring ・ Sauna Available
Nyuto Onsenkyo
Kyukamura Nyuto Onsenkyo
Natural Hot Spring ・ Free-flow from source
Ambari Onsen
Kyukamura Iwate Amihari Onsen
Natural Hot Spring ・ Free-flow from source
Okunikko Yumoto Onsen
Kyukamura Nikko Yumoto
Natural Hot Spring ・ Free-flow from source
Ibusuki Onsen
Kyukamura Ibusuki
Natural Hot Spring ・ Free-flow from source
Nagano
Kyukamura Norikura Kogen
Natural Hot Spring
Wakayama
Kishu Kada Kyukamura
Natural Hot Spring ・ Sauna Available
Saitama
Kyukamura Okumusashi
Specialty Bath ・ Sauna Available
Kumamoto
Minamiaso Kiyokamura
Natural Hot Spring ・ Sauna Available
Fukui
Kyukamura Echizen Mikuni
Natural Hot Spring
Shizuoka
Kyukamura Minamiizu
Natural Hot Spring
Shizuoka
Kyukamura Fuji
Natural Hot Spring ・ Sauna Available
Hyogo
Kumakogen Takeno Kaigan
Natural Hot Spring ・ Sauna Available
Ehime
Kyukamura Setouchi Toyo
Natural Hot Spring ・ Sauna Available
Shiga
Kyukamura Ohmihachiman
Natural Hot Spring ・ Sauna Available
Hotaka Onsenkyo
Kyukamura Retreat Azumino Hotel
Natural Hot Spring ・ Sauna Available
Niigata
Kyukamura Myoko
Natural Hot Spring ・ Sauna Available
Okayama
Kyukamura Hiruzen Kogen
Natural Hot Spring
Ishikawa
Kakyu Mura Noto Chirihama
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Wakayama
Kyuukamura Nanki-Katsuura
Natural Hot Spring
Hiroshima
Kyukamura Ohkunoshima
Natural Hot Spring
Chiba
Kyukamura Tateyama
Natural Hot Spring
Fukuoka
Kyukamura Shikanoshima
Natural Hot Spring
Kazawa Onsen
Kyukamura Tsumagoi Kazawa
Natural Hot Spring
Nagano
Azumino Hotaka View Hotel
Natural Hot Spring ・ Sauna Available
Nagano
Tateshina Grand Hotel Takinoyu
Natural Hot Spring ・ Sauna Available
Nagano
Ryokkasanshuku Fujiiso
Natural Hot Spring ・ Free-flow from source
Nagano
LE GRAND Karuizawa Hotel & Resort
Natural Hot Spring ・ Sauna Available
Nagano
Hotel Fuki no Mori
Natural Hot Spring ・ Sauna Available
Nagano
The TOJIBA Matsukawa-kan
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Nagano
Kasuga Onsen Kasuga no Mori
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Nagano
Shiga Kogen Lodge
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Nagano
Shinshu Yamada Onsen Yamada-kan
Natural Hot Spring ・ Free-flow from source
Nagano
Bessho Onsen Ryokan Hanaya
Natural Hot Spring ・ Free-flow from source
Nagano
Yamano-yado Meiji Onsen
Natural Hot Spring
Nagano
Yuyu-an Biwanoyu
Natural Hot Spring ・ Sauna Available
Nagano
Fureai Koryu Center Oshiba no Yu
Natural Hot Spring ・ Sauna Available
Nagano
Jizo Onsen Zippuku no Yu
Natural Hot Spring ・ Sauna Available
Zao Onsen
Meito Resort Lucent Takamiya
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Tsuchiyu Onsenkyo
Noji Onsen Hotel
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Nagato Yumoto Onsen
Otanisanso
Natural Hot Spring ・ Sauna Available
Yufuin Onsen / Yufuin Onsen
Yufuin Gettouan
Natural Hot Spring ・ Free-flow from source
Toyama
Hotel Kurobe
Natural Hot Spring
Gifu
Okuhida Garden Hotel Yakedake
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Kusatsu Onsen
Kusatsu Onsen Hotel Sakurai
Natural Hot Spring ・ Free-flow from source
Tokushima
NATURE HEALING KAMIYAMA
Sauna Available
Kagoshima
Myoken Ishiharaso
Natural Hot Spring ・ Free-flow from source ・ Sauna Available
Ishikawa
Tagawa Ryusenkaku
Natural Hot Spring ・ Sauna Available
Zao Onsen
Zao Kokusai Hotel
Natural Hot Spring ・ Free-flow from source
Hanamaki Onsenkyo
Oosawa Onsen Sansuikaku
Natural Hot Spring ・ Free-flow from source
Tochigi
Oku-Nikko Hotel Shikisai
Natural Hot Spring ・ Free-flow from source