No. 22 · Yamagata

Ginzan Onsen

Ginzan Onsen ranked No. 22 in the published 2025 Japan hot-spring destination list. Check bathing options, access and stay details before planning your visit.

Spring information

Water and bathing details for Ginzan Onsen

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

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

Source temperature: 63.8°C

Facility	Spring	Source data	Supply	Bath type
Shirogane-yu Public Bath	Natural hot spring; a complete facility-specific ionic classification has not been confirmed. Do not substitute the wider area's analysis. Source: Ginzan Onsen spring; an individual source name for this bath was not confirmed.	Source temperature: Not published for this facility; the area's 63.8°C figure should not be applied here. pH: Not confirmed for this facility.	Small indoor public bath. No day-use outdoor or private bath is offered. Current facility-specific treatment details have not been fully published.	Day-use bath. A small, low-cost indoor public bath for a quick soak while exploring Ginzan Onsen. It has no day-use outdoor or private bath, and its closing time differs between the city and tourism-association listings, so arrive early or check locally.
Ginzanso	Sulfur-bearing sodium-chloride and sulfate spring. Source: Ginzan Onsen; the current main pages do not publish a source name that can be assigned specifically to this facility.	Source temperature: 60°C; the sampling date was not stated. pH: Not published for this facility.	Day visitors can use the indoor baths, public outdoor bath and outdoor reclining bath. The operator says water may be added or heated when spring temperature changes; circulation and disinfection details are not fully published.	Day-use bath. A more complete hotel-bath experience than the small public bath, with indoor pools, an outdoor bath and an outdoor reclining bath. Day use resumed on May 11, 2026, but the window is short; day-use rock bathing remains suspended.
Kosekiya Annex	Natural hot spring; a complete facility-specific ionic classification has not been confirmed. Source: Ginzan Onsen; the current main pages do not publish a specific source name.	Source temperature: No fixed facility-specific figure is published; the operator notes that the natural spring temperature may vary daily. pH: Not confirmed for this facility.	The two public indoor baths, Hokkori no Chikayu and Nukkuri no Kintaro-yu, alternate by gender. The operator describes the baths as source-flowing; other treatment details are not fully published.	Day-use bath. A small historic inn whose two public indoor baths alternate between men and women. Day use is currently limited to Saturdays and Sundays, with no day-use outdoor or private bath; the posted spring temperature can vary from day to day.