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Hataya Onsen Sasanoyu

535 Hataya, Katashina-mura, Tone-gun, Gunma, Japan

Please note that a city/tourist tax might be required to be paid on site, depending on the destination.

The hidden hot spring "Sasanoyu" at the foot of Mt. Hotaka in Oze offers 100% flowing natural hot spring water directly from the source. Enjoy the blessings of Oze's great nature to your heart's content.

A Hidden Hot Spring nestled in the Quiet Mountain Foothills of Mt. Hotaka in Oze Certified as a "Pure Onsen A" by the Pure Onsen Association, our hot spring offers 100% natural, free-flowing geothermal water. Enjoy the luxury of approximately 300 liters of mineral-rich spring water flowing per minute—straight from the source! ■Area Our inn is located at the gateway to Oze, one of Japan’s most famous highland marshlands. This is an ideal location for fully enjoying the blessings of nature. Spring & Summer Attractions (Hiking & Trekking) ・About 30 minutes to Oze Oshimizu and Hatomachi-toge trailheads ・About 10 minutes to Fukiware Falls Winter Attractions (Winter Sports) ・About 30 minutes to Oze Iwakura and Maruyama Kogen Ski Resorts ・About 20 minutes to Oguna Hotaka Ski Resort Additionally, within a few minutes by car or about a 10-minute walk from our inn, you’ll find a local supermarket and bus stops with access to Oze-Tokura, Oshimizu, Numata Station, and Jomo-Kogen Station. Whether you're here for hiking, winter sports, stream fishing, marathons, or therapeutic hot spring retreats in Katashina Village, we warmly welcome you to stay with us. ■Facilities Sasa no Yu is a completely natural hot spring recognized by the Pure Onsen Association as using its source water exactly as it flows from the source. Features: 100% free-flowing, no dilution, no heating, no circulation or filtration, and no bath additives. Our source produces approximately 300 liters of water per minute, offering you a continuous and abundant hot spring experience. Known as a "beautiful skin bath," our mildly alkaline simple hot spring (water temperature: 40–42°C) is praised for its skin benefits. Safe and gentle for all ages—from children to seniors—our open-air bath offers a serene setting with peaceful mountain scenery and the gentle sounds of a nearby stream. You can bathe in our hot spring until 10:00 p.m. Morning bathing will start at 11:00 a.m. as usual due to cleaning. Please be aware of this in advance. You can go out until 10:00 p.m. The front door will be locked at 10:00 p.m. ■Rooms In-Room Amenities: ・Electric kettle / Green tea set / Free Wi-Fi / Bath towel / Face towel / Toothbrush / Comb / Razor Shared Facilities: ・Restroom / Refrigerator / Microwave / Toaster Optional Services: ・Yukata (¥500) ・Work desk, office chair, desk lamp set (¥1500) *Please contact us directly if you wish to use any of these services. ■Notes For inquiries regarding facilities and services, please check the official hotel website or contact Sasa no Yu directly. tel. 0278-58-3630

Rooms

Cancel for free up to 1 day before check in (JST)
1/2
Japanese-style Twin Room (6 tatami mats)
1 - 2
No rooms available
1/2
Japanese-style Quad Room (8 tatami mats)
1 - 4
No rooms available

Common Equipments

  • Public bath
  • Hot spring bath
  • Open-air bath
  • Parking
  • Wi-Fi
  • Restaurant
  • Working Space
  • Event space
  • Shared Bathroom and Toilet
  • Microwave

Services

  • Early check-in
  • Late check-out

Amenities

  • Facial Cleansers
  • Body shampoo
  • Shampoo
  • Hair conditioner
  • Toothbrush
  • Towels

Languages Spoken

  • English
  • Japanese

Access Information

Address

535 Hataya, Katashina-mura, Tone-gun, Gunma, Japan

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Access

Gunma Prefecture Tone-gun Katashina Village Hatagaya 535 https://maps.app.goo.gl/8REkUkCdkh1m1q2FA 【Car】Kan-Etsu Expressway "Numata IC" 　　→ Via National Route 120 Approximately 30 minutes towards Oze 【Public Transportation】 JR "Numata Station" or "Jomo Kogen Station" 　　→ Bus to Kamata, Tokura, and Oshimizu about 1 hour 　　→ Get off at "Hotaka-guchi" and walk for about 8 minutes　

Number

0278-58-3630

Attention

  • *Depending on the reservation circumstances, there is a possibility that the reservation may be declined.
  • *When you make a reservation, there may be cases that the actual rooms may look different from the ones shown in the photos.
  • *Hotel information is subject to change. For accurate details, please check the official website of the hotel.