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Ryuoh Radon Onsen, a Double Treatments of "Hot Water for Beautiful Skin" and "Hot Water for All Diseases  Ranked No. 1 in Japan in "Hot Springs and Super Public Baths Ranking"! Campaign to commemorate the award has started!

株式会社湯ーとぴあ

Yutopia Corporation (Location: Kai City, Yamanashi Prefecture; Representative: Yoshiteru Hayakawa), has been awarded first place in the nation in the January 23, 2025 "Onsen and Super Public Bath Ranking" sponsored by "Nifty Onsen".


Although hot springs and spas offer a wide variety of services, the quality of the "bath" itself is important.

NIFTY Onsen" released a ranking of hot spring facilities that received high marks for their baths, based on user-voted evaluations such as "the baths are open" and "the hot water is good.

The overall winner for 2024 was "Ryuoh Radon Onsen Yutopia," which offers 100% natural hot spring water from the source as well as radon hot spring water with effects added by a unique device!



Survey period: October 1, 2024 - December 31, 2024

User votes were taken from among 18,015 facilities listed on NIFTY Onsen (as of December 31, 2024).


<Comments from the Editor-in-Chief of NIFTY Hot Springs

NIFTY Onsen has released the second edition of its "Ranking of Onsen and Super Public Baths with Highly Rated Baths," which received a favorable response last year. NIFTY Onsen recently conducted user interviews and received a wide variety of perspectives on what people value in a bath, including "spring quality," "scenery," and "variety of baths," and we felt that the criteria for evaluation really vary from person to person. In this ranking, too, the No. 1 hot spring is a well-established hot spring such as Ryuoh Radon Onsen Y~topia (Yamanashi Prefecture), which boasts of its spring quality and has won the hearts of its fans.


温泉・スーパー銭湯ランキング 全国1位

Onsen/Super Public Bath Ranking: No. 1 in Japan


Comments on the Award and Future Prospects

We are very pleased with the support we have received over the past seven years and the various awards we have received, and we are especially pleased to have received the No. 1 ranking for the entire year of 2024. Of course, it is not only the strength of our spa that has allowed us to continue to receive these awards. It is thanks to all of you who continue to support us. Radon will continue to warm you from the core. What we can do at the hot springs we breathe in. It would be great if we could make someone healthy and smile in an instant. And maybe it will change someone's life forever. We welcome our customers every day while delivering warmth and kindness.



We have won multiple awards in various rankings and general elections! <Our hot spring's achievements

▼ Hot spring and super public bathhouse ranking ( https://onsen.nifty.com/onsen-matome/250111694807/ )

Selected out of 18,015 facilities listed as of December 31, 2024

No. 1: Ryuoh Radon Onsen Y~topia / Kai City, Yamanashi Prefecture


Nifty Onsen Ranking 2024 ( https://mpse.jp/nls_pro/c.p?02cYV3P4EI/ )

Out of more than 17,000 facilities listed as of November 30, 2024 (as of August 2024)

Hot spring category: No. 1 in Japan (No. 1 in the previous year)

Lodging: No. 8 in Japan (No. 8 last year)

Ranked 75th overall in Japan (Ranked 62nd in the previous year)

Hokuriku/Koshinetsu area: 3rd overall (3rd last year)

Yamanashi Prefecture: 2nd overall (2nd in the previous year)

2nd place in Hokuriku/Koshinetsu area

Ranked No.1 in the user vote in Yamanashi Prefecture


Hot Spring Hotel and Hotel General Election 2024 ( https://yado.onsen-ouen.jp/result2024/ )

Onsen General Election" is a ranking project of hot spring hotels and inns. 165 hot spring hotels and inns nationwide participated.

National ranking ・Touji Wellness section 2nd place

Chubu Region ranking - Touji Wellness Category - 1st place



Campaign to Commemorate Award Winning Starts!

To commemorate this award, we will launch the fourth "Let's Travel to Onsen for 600 yen Campaign" on February 2, 2025 (Sunday).

Campaign page URL: https://u-u.co.jp/blog/event/postid_5935


The "Let's Travel to Onsen for 600 yen Campaign Vol. 4" will be held from February 2, 2025 (Sunday).

The "Ryuoh Radon Onsen Yutopia" 6-trip coupon ticket (regular price: 5,280 yen (including tax)) will be sold at the "Award Commemorative Price: 3,960 yen (including tax)" (660 yen per trip (including tax)).


Expiration date: February 2, 2025 (Sun.) - December 31, 2025 (Wed.)

Sales period: February 2, 2025 (Sun.) - December 31, 2025 (Wed.) *Sales will end when coupon tickets are sold out.


温泉旅しよう600円キャンペーン第4弾

Let's Travel to Onsen for 600 yen Campaign Vol. 4


Attractions of Ryuoh Radon Onsen Yutopia

Certified as a "hot spring for beautiful skin" by a major cosmetics company

The "Ryuoh Radon Onsen Yutopia" is the first hot spring in Yamanashi Prefecture to be certified as a "melting purifying hot spring" for beautiful skin, with its skin science proven to be effective in beautifying skin!


Certified as one of the "100 Best Hot Springs in Yamanashi".

Ryuoh Radon Onsen has been selected as one of the "Yamanashi Rikko-yaki Hyakumeiyu," a list of 120 facilities with hot springs that are full of character.

The hot spring is rich in individuality with various types of spring qualities, and has the most powerful therapeutic effects among the hot springs in Yamanashi, which has a high diversity of hot springs, and is one of the best in the country. The baths are luxurious, using natural hot spring water that is completely free-flowing.


24時間完全かけ流しの温泉

Hot spring water that is completely free-flowing 24 hours a day


Radon Onsen, the original hot spring that sucks in water

Radon hot springs are hot springs in which radon gas, kept at a safe constant concentration, is pumped into the bathtub. Radon works on cells throughout the body by being taken into the body through bathing or breathing, and stimulates "cell activation," "promotion of natural healing power," "enhancement of metabolism," and "improvement of immunity. For this reason, radon hot springs are also known as "hot springs that breathe. At our facility, we use a radon generator with a concentration of 87 machetes, which is also used for medical purposes, to provide safe and stable radon hot spring water at all times.


最大級ラドン発生装置

Largest class radon generator


Promoting services based on the concept of "health care

We provide a synergistic effect that exceeds expectations by combining aromatherapy with hot-spring cure and radon therapy. In addition, we propose a "high-quality way of spending time that heals the body and mind" by combining "meals that make the most of local ingredients," "triple beauty baths with reduced water," "radon hot springs with the highest concentration in Japan," "organic aroma," and other services.


天然ラドン温泉浴槽

Natural radon hot spring bathtub


Outline of Ryuoh Radon Onsen Yutopia

Name: Ryuoh Radon Onsen Yutopia

Location: 1300-1 Tomitake-Shinden, Kai-shi, Yamanashi-ken 400-0113

Access : 8 minutes walk from Ryuoh Station

Spring quality: Sulfur containing sodium chloride and bicarbonate onsen

Lodging: 11,000 yen per night for 2 meals (tax included), 6,600 yen per night with no meal (tax included)

Drop-in baths: 10:00-23:00, 880 yen (tax included) for adults, 770 yen (tax included) for children 12 and under

Website: https://u-u.co.jp/

YouTube : Yamanashi Hyakumeiyu [Ryuoh Radon Onsen Yutopia] Women's trip, hot spring report

        https://youtu.be/VBGMlpbajQU

        Health Tourism PR "Yottekeshi! Real radon hot springs".

        https://www.youtube.com/watch?v=TMRSeCcp0-I

        Inhale plenty of radon and feel the effects of a hot spring cure! Ryuoh Radon Onsen

        https://www.youtube.com/watch?v=-oq8_zoTkLA


昭和レトロな「竜王ラドン温泉 湯ーとぴあ」

Showa-era retro "Ryuoh Radon Onsen Yutopia


Company Profile

Company name: U-TOPIA Co.

Location: 1300-1 Tomitake-Shinden, Kai City, Yamanashi-ken

Representative: Yoshiteru Hayakawa

Establishment : February 23, 1946

Capital : 10 million yen

Home Page: https://u-u.jp/overview