天城荘 外湯エリア日帰り温泉あまぎそう そとゆエリアひがえりおんせん
Temporary closures may occur due to weather (heavy rain, typhoon, high water) or facility maintenance.
Adults 2,000 yen; children (elementary school and under) 1,000 yen. Cash only. Period-limited pricing as of 2026-04-25.
Uses natural hot spring water
Open-air outdoor bath
Enclosed indoor bathing area
Dry heat sauna room
Private bath available for day-use visitors or hotel guests to reserve
Shared bathing area for all genders
Allows entry with visible tattoos
Tattoos must be covered with a rash guard or swimsuit.
Welcomes children and families
Shower, wash stations, soap and shampoo provided
Towels available to rent or borrow
Relaxation space for after bathing
On-site or nearby parking available
All the baths here are outside, right at the base of Odaru (大滝), a large waterfall on the Kawazu River. You soak in the open air with the sound and spray of the falls around you, wearing a swimsuit (required; rentals on-site). The whole area is mixed bathing. A private cave bath is available on 30-minute reservations. In summer, the onsen water also feeds a 25-meter pool. There are no indoor baths, no shampoo or soap, and no washing facilities, so it's more of an outdoor soaking experience than a traditional onsen visit.
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Last updated June 25, 2026