Nagai Ayame Onsen New Sakura Yu

Nagai, Yamagata, Japan

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

Location: Nagai, Yamagata, Japan
Water type: thermal
Temperature: 40 °C
pH: 7.3

Water profile

Thermicity

Sedative

40 °C

LowHigh

Relaxing — deep, immediate muscle release.

Mineralisation

Balancing

LowHigh

Rich in trace elements — gentle on the skin.

Buoyancy

Standard buoyancy

LowHigh

Soft water — natural, classic buoyancy.

BicarbonatesCalcium

Nagai Ayame Onsen New Sakura Yu is a welcoming community hot spring facility in Nagai City, Yamagata Prefecture — a small city known for its spectacular iris gardens (ayame) that bloom in purple splendor each June, inspiring the first part of this facility's name. The naturally heated, simply mineralized waters provide gentle therapeutic warmth suited to bathers of all ages, from elderly residents seeking daily relief from joint stiffness to families with young children enjoying the communal warmth of the onsen tradition. The 'Sakura' (cherry blossom) in the facility's name evokes the Japanese spirit of seasonal appreciation, promising a bath as refreshing and quietly joyful as a spring morning beneath blossoming trees.

Insider tip — Nagai Ayame Onsen New Sakura Yu serves the Nagai Valley in Yamagata Prefecture, a region celebrated for its iris fields that bloom spectacularly each June. The mild thermal waters make it a comfortable all-ages bathing destination where local families gather throughout the year. The surrounding Mogami River corridor offers excellent cycling routes that bring many guests seeking post-ride recovery. Visit during the Nagai Iris Festival in late June to combine thermal bathing with one of Tohoku's most colourful seasonal events.

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