Bathing runs later on Fridays, until 1am (the rock-sauna area until midnight), and last entry and last order are one hour before closing. The baths close for a full day every few months for equipment maintenance.
Rates shown are the non-member, bathing-only walk-in price. Point-card members pay less (950 yen weekdays, 1,050 yen weekends and holidays, adult). A bathing-plus-rock-sauna plan runs 1,850 yen on weekdays and 2,000 yen on weekends and holidays for non-members. Under-3s bathe free. All prices include tax.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Cold water plunge bath, typically used after sauna
Shared bathing area for all genders
Allows entry with visible tattoos
Restaurant or dining open to visitors (not just hotel meal plans)
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
A face towel can also be purchased separately for 150 yen.
Relaxation space for after bathing
On-site or nearby parking available
Hanasaki no Yu is a large day-use bathing complex in Ageo with about a dozen different baths. Outside there's an open-air bath fed straight from the source, a tsubo-yu (つぼ湯) jar bath, a strong carbonated bath, and a lie-back bath where you soak from the waist down in the open air. Indoors are a fine-bubble bath, an electric bath with three settings (push, knead, and tap), a jet and hand-jet bath, and a cold plunge. The water is a natural hot spring, brownish and mild, without a strong mineral smell. A löyly sauna releases steam at intervals to keep the humidity steady and sits next to the cold bath, and the ganbanyoku (岩盤浴) rock-sauna area, three rooms and seven types in all, is open for as long as you want to stay. The building has an Asian-resort look inside, with a restaurant (Lotus Cafe) and a relaxation salon for a full day at the baths.
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Last updated August 5, 2026