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Nana Fuku Onsen Nana Fuku Sō

七福温泉 七福荘ななふくおんせん ななふくそう

Hot-and-cold sulfur spring baths in the Aga mountains, Niigata

Lodging
Chubu·Niigata

Day Use

Yes
MonClosed
Tue10:00–18:00
Wed10:00–18:00
Thu10:00–18:00
Fri10:00–18:00
Sat10:00–18:00
Sun10:00–18:00

Closed on Mondays, though open if the Monday falls on a public holiday. Last entry is 17:30, half an hour before closing.

¥600

Adults (junior high age and up) pay 600 yen, children (elementary school age) 300 yen, and preschoolers bathe free. Aga-cho residents with a yumeguri (湯めぐり) card pay 200 yen. Shampoo and body soap are provided; towels are not included, though a face towel can be bought at the front desk.

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathNo

Open-air outdoor bath

No outdoor bath; the indoor bath has a separate unheated, source-temperature cold pool alongside the warmed tub.

Indoor BathYes

Enclosed indoor bathing area

Cold BathYes

Cold water plunge bath, typically used after sauna

The unheated source-temperature bath runs roughly 13-25C by reviewer accounts; visitors are invited to alternate between it and the warmed bath.

Bathing Arrangements

Mixed BathingNo

Shared bathing area for all genders

Two separately named baths, each carrying its own set of the Seven Lucky Gods reliefs, with no mention of mixed bathing anywhere on the site or in reviews.

Policies & Services

KidsYes

Welcomes children and families

DiningYes

A restaurant or dining room open to visitors, not only meals for overnight guests

WashingYes

Shower, wash stations, soap and shampoo provided

TowelsYes

Towels to rent or borrow at the desk

Views

Mountains

About

Shichifuku Onsen Shichifukuso is a day-use bathhouse in a quiet mountain valley in Aga, Niigata. The indoor bath draws from a cold sulfur spring: one tub is warmed for a normal soak, and right next to it sits an unheated pool at the spring's own temperature, and regulars move back and forth between the two. The water feels faintly smooth on the skin, and bathers describe fine bubbles clinging to the body in the cold pool. There's no outdoor bath, but the two bathing rooms, Kou-no-yu (幸の湯) and Fuku-no-yu (福の湯), both face large windows onto the surrounding mountains through the seasons. Each tub spout carries a relief of one of the Seven Lucky Gods (七福神, Shichifukujin), for whom the place is named. The attached restaurant serves hand-pulled soba and home-style local cooking, and there's a tatami rest hall to relax in afterward.

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Onsen Oni

Last updated September 19, 2026