The official website offers the best rates for reservations. This facility includes natural hot springs, bathing facilities, a campsite, tennis courts, a seasonal waterpark, gym, a golf driving range, conference rooms and banquet halls.




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2026.10.03
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2026.09.25
2026.09.01
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Status of Facilities
Auto campsite: Book online
Campsites for solo travelers: Book online
Waterpark:
Our business for 2026 has ended. We plan to reopen in the summer of 2027.
Golf driving range:
No reservation required (Temporarily closed on October 26, 2026 for maintenance.)
Multipurpose gymnasium | Karaoke room | Tennis court (Omni court):
Online booking (See Below)
Online Reservation Coming Soon

Ogose Onsen "Whitening Hot Spring"
"Bihaku no Yu," a natural hot spring located in Ogose Town, Saitama Prefecture, is a highly alkaline spring with a pH of 10.3.
It's popular for its skin-beautifying effects that leave your skin smooth, and is a favorite for both day trips and overnight stays.
Located within New Sunpia Saitama Ogose, this relaxing hot spring allows you to enjoy the beauty of nature throughout the seasons. Relax and unwind from your daily fatigue in our natural hot spring, a rare pH 10.3 hot spring in Saitama, known for its skin-whitening properties.
Guests staying at the hotel can use the onsen free of charge.

Corporate Training & Social Gatherings
We offer both Western-style and Japanese-style meeting rooms, ranging in size from 50 square meters (for 20-30 people) to 200 square meters (for 130 people).
Our corporate training plan includes one night's accommodation with two meals (breakfast and dinner), starting from 12,800 yen per person. The price varies depending on the meeting room used, the number of meals, the number of people, and the number of rooms used.

Introducing Restaurant Koubai
At the restaurant "Koubai" located inside New Sunpia Saitama Ogose, we offer meals that cherish seasonal ingredients and flavors.
It's perfect for lunch during sightseeing, a weekend meal with family, or even when combined with a visit to the "Ume no Yu" hot spring.
Enjoy a relaxing meal in a tranquil setting surrounded by the natural beauty of Ogose.