Toyama Bay Onsen Toyama

Toyama City, Toyama, Japan

Location: Toyama City, Toyama, Japan
Water type: sodium chloride
Temperature: 41 °C
pH: 7.3

Water profile

Thermicity

Sedative

41 °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

Toyama Bay Onsen is a coastal hot spring overlooking Toyama Bay in Toyama city, the capital of Toyama Prefecture on the Sea of Japan coast, celebrated for one of the world's most dramatic mountain-to-sea landscapes where the 3,000-meter Tateyama peaks rise virtually from the shoreline. The chloride-rich thermal waters warm bathers deeply and are especially restorative in winter, when the surrounding mountains are blanketed in heavy Japan Sea snowfall and the bioluminescent firefly squid illuminate the bay waters in spring. The onsen provides a comfortable vantage point for experiencing Toyama's extraordinary natural spectacle of alpine peaks reflected in the deep bay below.

Insider tip — Toyama Bay Onsen taps sodium-chloride waters beside the bay famed for its extraordinary depth and the glowing firefly squid that appear each spring. The mineral brine is strongly warming, ideal for the long winters when heavy snow presses down from the Tateyama range. Some facilities offer rooftop or shoreline baths facing the bay and the dramatic 3,000-meter peaks behind the city. Booking a room with a mountain-and-sea dual view is the definitive way to experience this spring.

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