道の駅 両神温泉薬師の湯みちのえき りょうかみおんせんやくしのゆ
A simple jet-and-bubble bath at a Chichibu roadside station
Adult day-use bathing is about 700 yen, children (elementary school age and under) about 300 yen. One 2026 review mentions a 770 yen rate for visitors from outside the prefecture, with a one-time 10% discount via the roadside-station stamp rally book; this may be a resident/non-resident pricing tier, unconfirmed.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Sauna room of any kind
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
This review predates the March 2024 renovation; a 2026 review separately confirms general amenities (アメニティあり) without detailing shampoo specifically.
Towels to rent or borrow at the desk
Relaxation space for after bathing
On-site or nearby parking available
Yakushi-no-yu is the bathing wing of a roadside station (michi-no-eki, 道の駅) in the mountains of Ogano, on the Chichibu side of Saitama. There is just one indoor bath, fitted with jets and a bubble section, and reviewers note the water feels distinctly smooth and slippery on the skin. There is no sauna and no outdoor bath, so it's a quick, no-frills soak rather than a destination onsen. The place doubles as a stop on a touring route, with a free rest area where you can stretch out on tents and hammocks, an attached restaurant, and parking that includes a sheltered spot for motorcycles.
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Last updated October 7, 2026