Recommended onsen in Akita

1 picks ranked from onsen analysis-sheet data (official, verified and free-flowing sources prioritised)

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Nyuto Onsenkyo Taenoyu Acidic Spring
Acidic SpringFerruginous SpringSulphate SpringSimple SpringInfo pending
Nyuto Onsenkyo Taenoyu
乳頭温泉郷 妙乃湯
Akita Semboku· 妙乃湯温泉（金の湯） 他 1 件Nyuto Onsen-go
Golden Waters of the Sendatsu Stream

The Taenoyu Onsen (Kin no Yu) source gushes naturally in the gorge of the Sendatsu River that runs through the Nyuto Onsenkyo, and it earns the name "golden water" as its iron shifts from gold to deep brown on meeting the air. At pH 2.9 its acidic water tightens the skin while its sulfates let warmth linger in the body. It suits travelers who wish to restore body and mind in a spirited spring to the sound of the mountain stream.

Onsen RyokanPrivate Rental Bath
StimulationBactericidalSkin BeautyHeat RetentionRelaxation
pHStrongly Acidic2.9
0714
TEMP85.6℃
0℃50℃100℃
KEY MINERALS
Aluminum ion
4.5 mg/kg

Tightens the skin and balances sebum.

Metasilicic acid
223 mg/kg

A natural moisturizer also used in skincare lotions. Forms a thin veil on the skin to reduce moisture loss after bathing.

Iron(II) ion
22.9 mg/kg

An iron-rich spring whose water turns yellow-brown to red-brown when exposed to air. Strong heat retention.

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About onsen in Akita

The benefits of an onsen vary by spring type. Akita has a wide variety of spring types, each with different characteristics. my Onsen Techo ranks the onsen best suited to your symptom and area based on analysis-sheet data, which is mandated for display under Article 18 of Japan's Hot Spring Act. Each onsen page shows mineral visualisations, bathing tips and booking options.