Tokushima

Naruto Natural Hot Spring Aratae no Yu

Natural hot spring in Naruto overlooking the boat race course

Aichi

Tenkū SPA HILLS Ryusenji no Yu

A sky-high spa resort with spectacular observatory open-air baths and a stunning Bazooka löyly experience

Kanagawa

Skyspa YOKOHAMA

Sky SPA overlooking Yokohama

Mie

Shinme no Yu

A Kuwana hot spring with a scenic outdoor bath and single-digit cold plunge baths

Nagano

Shirakaba Resort Ikenotaira Hotel

A highland hot spring resort standing by Lake Shirakaba

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

Oita

Okuhita Onsen Umehibiki

A superb hot spring resort embraced by panoramic views of Hiwaki Valley and famous water

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

Miyagi

Hotel Matsushima Taikanso

A resort where you can enjoy a spectacular open-air bath and a full-fledged sauna overlooking the grand panorama of Matsushima Bay

Hokkaido

Century Marina Hakodate

A bay-area spa resort where you can unwind in a sky-high open-air bath and a famed hot spring overlooking Hakodate’s nightscape

Nagano

Sangitei Honkan, Castle in the Sky

A sky-high hot spring where you can enjoy the panoramic scenery of Shinshu and the beauty lotion bath

Hokkaido

Akanko Yuku no Sato Tsuruga

An upscale resort where you can fully enjoy the breathtaking views of Lake Akan and natural hot springs

Nagano

Yudanaka Onsen Aburaya Tōsen

Spectacular open-air baths overlooking the Shinshu mountain range and a highly heat-retentive natural hot spring

Nagano

Hishino Onsen Tokiwakan

A scenic hot spring above the clouds and a grand panorama of nature, reached by a dedicated funicular train

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

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

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

Kagawa

Golden Time Takamatsu

Shikoku's premier paradise of flowing radon hot springs and saunas

Kyoto

Sauna & Capsule Hotel Ruma Plaza

Gion Kyoto's acclaimed panoramic-view sauna

Gifu

LiveMax Resort Hida Takayama ~Garyu no Sato~

An extreme 110°C+ sauna wrapped in the natural spring water of Mt. Ui

Kanagawa

Modern Yujō Only You

A highly alkaline beauty hot spring and authentic sauna, enveloped by the silence of the forest and the murmur of the river

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

Saga

Furuyu Onsen ONCRI / Onkuri

15 types of bathing areas overlooking Mount Tenzan. A mountain gorge retreat where you can lose track of time in natural hot spring water with gentle low-temperature baths

Nagasaki

STADIUM CITY HOTEL NAGASAKI

Experience an inspiring stay with Japan's first soccer stadium-view sauna and the "beauty bath".

Nara

Shimonoha Onsen Yamabatoyu

A hidden hot spring in Oku-Yoshino where you can enjoy a private source's free-flowing natural hot spring in a scenic cedar-log bath

Hokkaido

Otaru Granbell Hotel

A top-floor spa where you can enjoy a sauna with a night view of the Otaru Canal and relax in a standing cold plunge bath 1.2 meters deep

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

Kanagawa

Fujiya Hotel

Relax in natural hot springs and a superb sauna at a prestigious hotel steeped in more than 140 years of history

Hokkaido

Jozankei View Hotel

A sky open-air bath 60 m above ground and six innovative saunas that stimulate the five senses

Hokkaido

Sapporo Hotel by Granbell

A sky spa with natural hot spring water and authentic saunas overlooking the spectacular views of Sapporo

Hokkaido

Yukoro Onsen

A healing space of natural hot springs and sauna overlooking the majestic Mount Yotei in Niseko

Hokkaido

Live Max Resort Hakodate Shikabe Onsen

A hot spring resort in Shikabe surrounded by nature, overlooking Mount Komagatake and Uchiura Bay

Iwate

Live Max Resort Hachimantai Forest

A hot spring hotel nestled in the forests of Hachimantai, with birdsong and the scent of sulfur

Shizuoka

Livemax Resort Atami Forest

A forest resort lined with Kamitaga natural hot spring water, a silky bath, and a signature sauna

Shizuoka

Livemax Resort Ito Kawana

An Izu resort where you can enjoy natural hot spring water straight from the source and a Harvia sauna

Okinawa

Lit Hotel NAKIJIN

Opened in July 2025, with a large public bath on the top floor and a Harvia sauna

Okayama

kobatoisa cafe&sauna

Toyama

Hotel Granmirage

A sky-high scenic sauna resort overlooking the Tateyama mountain range and Toyama Bay from 40 meters above ground

Hiroshima

Capsule & Sauna Nippon

A Showa strong-style ultra-high-temperature sauna and panoramic outdoor relaxation with views of Fukuyama Castle

Fukuoka

Chikushino Tenpai no Sato

Tokyo

Izumi Tenku no Yu Haneda Airport

Hyogo

Jamesyama Natural Hot Spring Tsuki no Yufune

Enjoy milky-white natural hot springs and seawater hot springs

Osaka

Soraniwa Onsen OSAKA BAY TOWER

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

Hokkaido

Jozankei Daiichi Hotel Suizantei

Enjoy private spring water and authentic sauna to your heart's content at a luxurious inn where every room has a hot spring bath