Onsen OniOnsen Oni

Yamanoyu ･ Kazoku Furo

山の湯・家族風呂やまのゆ・かぞくふろ

Public BathhouseTemporarily Closed

Closed indefinitely; no reopening date announced

Beppu OnsenMyoban Onsen
Kyushu & Okinawa·Oita
0977-66-5881jigoku-prin.com

Day Use

Yes
13:00–19:00

кроме вторника

¥1,500

*Closed for the time being

Bathing & Water

Natural onsen water

Uses natural hot spring water

Indoor BathYes

Enclosed indoor bathing area

Capabilities

Private BathYes

Private bath available for day-use visitors or hotel guests to reserve

Policies & Services

TattooYes

Allows entry with visible tattoos

ParkingYes

On-site or nearby parking available

12 spaces

明礬山の湯

Myoban Yamanoyu Spring

Operated by · 有限会社岡本屋

湯
Simple
Color
weakly milky white, turbid
Taste
salty
Odor
very faint hydrogen sulfide

Calcium-Sodium Sulfate-Bicarbonate spring

pH 6.4NeutralHot source · 61°CHigh silica
Composition fingerprint0.3 g/kg dissolved · Hypotonic
Ca²⁺40
Na⁺37
Mg²⁺17
SO₄²⁻74
HCO₃⁻23
◀ CationsAnions ▶
Calcium Ca²⁺
settling and calming; can leave a white mineral bloom.
Sulfate SO₄²⁻
"gypsum / Glauber's salt" — vessels and wound healing.
Known good for
  • Aches & jointsstiff shoulders
  • Smooth skindry, rough skin
  • Recoveryfatigue, stress

Myoban Yamanoyu is a simple thermal spring, with 284 mg/kg of dissolved solids and a neutral pH that keeps it gentle rather than assertive. The water is more characterful than that classification suggests: at the wellhead it runs weakly milky and clouded, carrying a very faint hydrogen sulfide note and a salty edge on the tongue. At 79 mg/kg of metasilicic acid it still lands in Japan's beauty-water family, leaving the thin silica film that makes skin feel smoother afterwards. The certificate documents the water for neuralgia, muscle and joint pain, frozen shoulder, cold sensitivity, and fatigue recovery.

Sampled at wellhead·Analyzed Jul 27, 1994·大分県衛生環境研究センター·Cert no. 衛環研第11号の13

Explore the water

Views

Mountains
City

Programs

About

Immerse yourself in the grace of magma. Yamanoyu, a mountain cabin-style onsen located in the mountainous area of Myoban, consists of two buildings: a panoramic onsen and a private family onsen. From the spacious and open bath with high ceilings and large windows, you can enjoy a panoramic view of the huge arch of the Beppu Myoban Bridge, Beppu Bay, and Mount Takasaki. At night, you can see the beautiful night view of Beppu and the faintly visible night view of Oita City beyond Beppu Bay.

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4.0

1 review

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Sergey M
6 months ago

152. Yamanoyu, Beppu ★★ An onsen with a public bath (upper building, 500 yen) and five private baths (lower building, 1500 yen). Operating hours are stated as 10:00 to 19:00 (except Tuesday). They provide a Beppu Onsen-do stamp. Photo of the analysis chart is from the internet and should correspond. We visited the private baths number 4 and 5 on different days for day trips. The baths are very similar, both offering a steep view from the room of a bridge, the city, and forest. You can open the window and step out onto a small balcony to breathe and enjoy the scenery. When sitting in the bath, there is not much of a view. 1. Bath number 4. Water is clear, temperature about 41-42°C. 2. Bath number 5. Water is clear, temperature about 44°C. It's hard not to recommend the private onsen with such a view of the bridge. 03.05.2024 04.01.2026

Onsen Oni

Last updated July 16, 2026