Minakuchi Onsen Tsubaki no Yu

Minakuchi, Koka, Shiga, Japan

Illustration photo — not a verified picture of this exact spot.

Location: Minakuchi, Koka, Shiga, Japan
Water type: sodium chloride, thermal
Temperature: 40 °C
pH: 7.3

Water profile

Thermicity

Sedative

40 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Restorative

LowHigh

Loaded with major ions — the essential minerals (Ca, Mg).

Buoyancy

Effortless float

LowHigh

Dense, salty water — you float without effort.

SodiumChloruresBrome

In a traditional Japanese onsen, guests immerse themselves in a serene and tranquil environment, surrounded by natural hot spring water. This ancient bathing tradition emphasizes purification, relaxation, and social bonding. Visitors typically disrobe and bathe separately before joining others in a communal bath area, fostering a sense of community and mutual respect. The experience encourages a state of mindfulness and calmness, allowing individuals to unwind and rejuvenate their spirit.

Insider tip — Minakuchi was the 50th post station of the historic Tokaido Road — the great highway connecting Edo (Tokyo) to Kyoto — where weary travelers rested in inn towns (juku) regulated by the shogunate. The preserved traditional townscape of Minakuchi-juku evokes the Edo-era bustle of packhorses, palanquins, and pilgrim groups. The surrounding Koka hills sheltered the legendary Koka ninja clan — rivals of the Iga. Tsubaki no Yu (Camellia Bath) scents the air with late-winter camellias in February.

Find hotels nearby →Tickets & activities →See the map & practical info →