Redwood Inn
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An open-air bath carved from a giant redwood log
Day Use
YesDay-use bathing runs late morning into early afternoon (around 10:30-13:00); an older report listed slightly different hours (10:00-13:30) with a midweek closure, so specifics may vary.
Day-use bathing costs 800 yen for adults, plus 300 yen for towel rental if needed (per a 2025 visitor report). An earlier report cited 500 yen for adults and 300 yen for children, so the price may have changed.
Bathing & Water
Uses natural hot spring water
Open-air outdoor bath
Outdoor bath carved from a single 1,650-year-old, 3.2m-diameter redwood log.
Enclosed indoor bathing area
Bathing Arrangements
A private bath you can reserve for yourself or your group
Shared bathing area for all genders
Policies & Services
A restaurant or dining room open to visitors, not only meals for overnight guests
Shower, wash stations, soap and shampoo provided
Towels to rent or borrow at the desk
On-site or nearby parking available
Views
MountainsPrograms
About
The main bath here is carved out of a single redwood trunk, about 3.2 meters across, shipped over from California's Redwood National Park and said to be around 1,650 years old. It sits outdoors among the trees on a high pasture in Nagano, open to the sky, and on clear nights staff sometimes lead short stargazing walks. There are also small indoor baths, separate for men and women, with a paler, milky-looking water. The lodge itself is a modest wood building next to Yamada Bokujo pasture, modeled on an old American forest ranger station built to watch over redwood groves. The restaurant cooks with local Takayama ingredients and also serves a lunch menu for day visitors who come just for the bath.
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Last updated September 19, 2026