No. 95 · Yamaguchi

Yuda Onsen

Yuda Onsen ranked No. 95 in the published 2025 Japan hot-spring destination list. Check bathing options, access and stay details before planning your visit.

Yuda Onsen hot-spring destination
Yuda Onsen, Yamaguchi

Spring information

Water and bathing details for Yuda Onsen

Facility-level figures; blank town-wide averages are not inferred.

Named facility records for Yuda Onsen. Figures marked “Not published” are not treated as town-wide averages.

FacilitySpringSource dataSupplyBath type
Tanga-no-YuSodium-calcium sulfate-chloride spring; low-salinity, alkaline and hot. Source: Tanga-no-Yu spring system. The current official page publishes a 52°C temperature at the spring outlet, not the extraction-point source temperature.Source temperature: Not published. The 52°C figure is the temperature at the outlet, not the source temperature at the extraction point.
pH: Not published.
The operator explicitly describes the open-air bath and traditional hot bath as source-flowing. Complete details for water addition, heating, circulation and disinfection are not published for every pool, so no broader claim is made.Day-use bath. Best for visitors looking for Shimosuwa's famously hot baths, an open-air pool and source-flowing water. If you dislike intense heat, are bringing young children or are new to public baths, Kanno Onsen or Koyu is an easier introduction.
Kaede-no-Yu, Yudanaka Station-Front OnsenSodium chloride-sulfate hot-spring system. Yamanouchi Town confirms natural source-flowing water; existing national transport ministry information lists sodium, chloride and sulfate components. Source: Yudanaka Onsen; the current main page does not name the individual spring used by Kaede-no-Yu.Source temperature: About 91.7°C in existing Ministry of Land, Infrastructure, Transport and Tourism information; this is not a 2026 re-sampling.
pH: Not published.
Yamanouchi Town identifies natural source-flowing water and indoor and outdoor baths. Existing national government information says high-temperature source water is adjusted to bathing temperature. The 2026 main page does not publish the amount of added water or pool-by-pool circulation and disinfection details, so none are inferred.Day-use bath. The most straightforward option for a single soak by Yudanaka Station, with full washing facilities and a place to rest. For a tour of local communal baths, use the 2026 outdoor-bath pass instead.
Yudanaka Oyu Public BathAt the resort level, Yudanaka's main spring types are chloride and sulfate springs. A current chemical classification for Oyu itself is not published, so resort-wide averages are not treated as this bath's analysis. Source: Yudanaka Onsen; the individual spring used by Oyu is not named.Source temperature: Not published for Oyu. Yamanouchi Town's 65–93°C range describes Yudanaka Onsen overall and is not substituted for this bath.
pH: Not published.
The 2026 official outdoor-bath pass confirms access to Oyu. Pool-specific water addition, heating, circulation, disinfection and source-flow conditions are not published in the current pass information.Day-use bath. Now included in Yudanaka's 2026 outdoor-bath pass, this is a good way to experience local communal-bath culture. Do not treat resort-wide spring averages as measurements for this individual bath.

Destination comparison

What this onsen town offers

Popularity

66/100

History

85/100

Spring character

79/100

Town culture

84/100

Seasonal scenery

71/100

Access

86/100

Local history

How the town developed

Four seasons

Seasonal conditions and travel rhythm

SpringMar–May
Daytime range: 8–19°C
SummerJun–Aug
Daytime range: 25–32°C
AutumnSep–Nov
Daytime range: 16–25°C
WinterDec–Feb
Daytime range: 5–12°C

Plan your stay

Yuda Onsen: day trip or overnight?

Compare travel time, bath access and the time you want to spend in town.

Nearby destinations

Other places in the same prefecture in the published ranking.

Related guides

Guides to Yuda Onsen

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Official sources

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