No. 92 · Yamagata

Atsumi Onsen

Atsumi Onsen ranked No. 92 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 Atsumi Onsen

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

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

Facility	Spring	Source data	Supply	Bath type
Shomenyu Public Bath	The area is classified as a sodium-calcium chloride-sulfate spring. No current individual analysis for this bath is confirmed. Source: Atsumi Onsen's shared spring; the specific well is not named.	Source temperature: Not published for this bath. The area's representative 68°C figure is not substituted. pH: Not published.	The onsen association describes the shared bath water as source-flowing. Pool-specific treatment details are not published.	Day-use bath. A good first stop for a central Atsumi Onsen stroll and a taste of the local shared-bath routine. Bring your own towel and soap; this is a simple neighborhood bath.
Shimonoyu Public Bath	The area is classified as a sodium-calcium chloride-sulfate spring. No current individual analysis for this bath is confirmed. Source: Atsumi Onsen's shared spring; the specific well is not named.	Source temperature: Not published for this bath; the area's representative 68°C figure is not substituted. pH: Not published.	The onsen association describes the shared bath water as source-flowing. Pool-specific treatment details are not published.	Day-use bath. A no-frills local bath for a quick soak in the heart of Atsumi Onsen. It has few visitor amenities, so bring your own towel and soap.
Yunosato Shared Bath	The area is classified as a sodium-calcium chloride-sulfate spring. A current analysis specific to this bath is not available. Source: Atsumi Onsen's shared spring; the individual well is not named.	Source temperature: Not published for this bath. pH: Not published.	The onsen association describes the shared bath water as source-flowing. Other pool-level treatment details are not published.	Day-use bath. A quieter neighborhood option outside the main onsen centre, with afternoon-to-evening hours. It is a basic communal bath, so bring your own washing items.

Destination comparison

What this onsen town offers

Popularity

67/100

History

69/100

Spring character

78/100

Town culture

70/100

Seasonal scenery

71/100

Access

71/100

Local history

How the town developed

Four seasons

Seasonal conditions and travel rhythm

SpringMar–May

Daytime range: 2–15°C

SummerJun–Aug

Daytime range: 20–30°C

AutumnSep–Nov

Daytime range: 10–22°C

WinterDec–Feb

Daytime range: -2–6°C

Plan your stay

Atsumi Onsen: day trip or overnight?

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

Day trip

Check the first and last transport connections, then confirm which baths accept day visitors and when they stop admitting guests.

One-night stay

Compare the ryokan’s bath access with public day-use options and the journey back to your next stop.

Stay plus a day bath

Choose one bath experience for your stay and use a day facility for a different source or setting, where the published details support it.

Kaisen-kaku vs Tatsumikan in Asamushi: Bay View or Garden Bath?

Nearby destinations

Other places in the same prefecture in the published ranking.

Related guides

Guides to Atsumi Onsen

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6 / 6 guides

Comparisons

Kaisen-kaku vs Tatsumikan in Asamushi: Bay View or Garden Bath?

Kaisen-kaku has Mutsu Bay views and 88 rooms; smaller Tatsumikan serves in-room dinner and accepts day bathers. Compare baths, meals and access.

Read the guide

Sento & public baths

Yagara Onsen: Sunday Morning Sento Near Kita-Tatsumi, Osaka

Yagara Onsen is three minutes from Kita-Tatsumi Station, with a carbonated bath and 38°C reclining bath; confirm the disputed sauna fee.

Read the guide

Spring water

Fukutoku Onsen in Osaka’s Minami-Tatsumi: Soft Water, Two Saunas and Parking

Fukutoku Onsen has soft water throughout, dry and steam saunas, an outdoor bath and 11 parking spaces. See current prices and the walk from Minami-Tatsumi.

Read the guide