滝沢温泉 滝沢館たきざわおんせん たきざわかん
A 2024 reviewer reported last entry for day-use bathing around 15:00; current hours are unconfirmed.
A 2024 reviewer paid 700 yen for day-use bathing; the current price is unconfirmed.
Uses natural hot spring water
One negative review calls the water quality unremarkable and questions whether it's genuine onsen water, but a same-year detailed review describes a source-fed (源泉) kakenagashi tub — kept YES on the more specific/authoritative account.
Open-air outdoor bath
Enclosed indoor bathing area
One 2024 reviewer noted the indoor bath is diluted with added water (加水); an October 2025 reviewer reported it was temporarily out of service on their visit.
Cold water plunge bath, typically used after sauna
A small kakenagashi tsubo-buro at around 14°C, used alternately with the hot rotenburo (~41°C).
Shared bathing area for all genders
Allows entry with visible tattoos
Unverified
Shower, wash stations, soap and shampoo provided
On-site or nearby parking available
A 2025 reviewer says staff just told them to park anywhere, with no one guiding them — parking exists but appears informal/unmanaged.
A small inn from the Meiji era at the southern foot of Mount Akagi, tucked into the Kasukawa river gorge. The water is a calcium-sodium-magnesium bicarbonate cold mineral spring, heated for the baths since the source comes out at only 24.5°C. The rock rotenburo (露天風呂) looks out over the gorge and the stream runs right alongside. It's a member of the association preserving Japan's lesser-known hot springs, which gives a fair indication of the vibe: quiet, unpolished, genuinely remote.
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Last updated July 22, 2026