Onsen OniOnsen Oni

Taninoyu

谷の湯たにのゆ

Public Bathhouse
Beppu OnsenKannawa Onsen
Kyushu & Okinawa·Oita

Day Use

Yes
06:00–21:30
¥200

Bathing & Water

Indoor BathYes

Enclosed indoor bathing area

OnsenYes

Uses natural hot spring water

Policies & Services

TattooYes

Allows entry with visible tattoos

WashingNo

Shower, wash stations, soap and shampoo provided

TowelsNo

Towels available to rent or borrow

ParkingYes

On-site or nearby parking available

10 spaces

谷の湯

Tani-no-yu Spring
Sampled at wellhead
塩
Chloride
Classification

Sodium Chloride spring

Tani-no-yu source in Beppu's Kitanaka district, a sodium chloride spring emerging hot at 71.1 °C and weakly acidic at pH 4.9 — the wellhead carries a faint sour taste. Heat-retaining salt water, moderately mineralized (3,306 mg/kg dissolved), with an unusually generous 357.6 mg/kg of metasilicic acid that leaves the kind of silica film associated with Japan's beauty-water family. Listed under the legacy name shokuen-sen (common-salt spring).

pH
4.90
Weakly acidic
Source temperature
71.1°C
Hot
Tonicity
3.31g/kg
Hypotonic
Free CO₂
17mg/kg
Low
Color
colorless and clear
Taste
sour
Odor
odorless
Highlights
  • High silica
  • Top-decile hot

Analyzed Sep 7, 2010·大分県衛生環境研究センター·Cert no. 衛環研第105号の6

Programs

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4.0

1 review

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Sergey M
5 months ago

81. Taninoyu, Beppu ★★ An old-school onsen for ¥200 (pay at the window before the stairs). Opening hours are listed as 06:00 to 21:30. They stamp the Beppu Onsen-do seal. Staff may be at the payment window. No shower. The water is clear, and the temperature is 44.5. It is easy to breathe inside. The main feature of the onsen is that the men's side has a shrine, and beneath it there is a cave with an old spring. The cave itself is small, but deep, I definitely would not go down there. A very unusual onsen, it feels surreal, like something out of a movie or a game. The men's bath is especially recommended. 29.04.2024 04.01.2026