Observed arrival · 2026-09-29
丹 tan: a self-serve riverside sauna in Sakuho
A private sauna beside the Chikuma River, booked for a 180-minute session at ¥12,000 for one to six people.
○Open
⊠Login
$Paid
†Ads
✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Small groups booking a private sauna session
- Worth noticing
- The cold bath is drained between groups; guests open its valve on arrival, and it takes about 20 minutes to fill.
Field notes
The visit instructions include a minute-by-minute example, from opening the bath valve on arrival to draining it and locking the deck and bath-area doors before departure. Swimwear is mandatory, drinks must be brought along, and the page lists towels, sauna mats, ponchos, a hair dryer, and cotton swabs among the available items. It also posts age guidance and a cancellation schedule, including a full charge for cancellations within two days.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
$PaidCommerce or pricing visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
◉HumanPersonal, local, civic, or handmade
One card from the complete issue