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Shibahara onsen - Kayanoya

柴原温泉 かやの家しばはらおんせん かやのや

Lodging
Kanto·Saitama

Day Use

No

Bathing & Water

Natural onsen water

Uses natural hot spring water

Outdoor BathYes

Open-air outdoor bath

Indoor BathYes

Enclosed indoor bathing area

Bathing Arrangements

Private BathNo

Private bath available for day-use visitors or hotel guests to reserve

The facility's bath inventory, given twice (about page and hotspring page), lists only the two shared gender-separated baths with no separate private/family bath.

Room OnsenNo

Private onsen bath in guest rooms, for overnight guests only

Room equipment list covers only toilet and washbasin; no room bath. The bath inventory (rotenburo/indoor bath, one each for men/women) is a separate, shared facility.

Mixed BathingNo

Shared bathing area for all genders

Policies & Services

KidsWith Conditions

Welcomes children and families

Wooden building carries sound easily; children are only accepted if old enough to stay quietly in the room.

DiningNo

Restaurant or dining open to visitors (not just hotel meal plans)

WashingYes

Shower, wash stations, soap and shampoo provided

ParkingYes

On-site or nearby parking available

Views

Mountains

Programs

About

A small ryokan tucked into the mountains of Oku-Chichibu, open since 1954 and a member of Nihon Hito wo Mamoru Kai (日本秘湯を守る会), the society for preserving Japan's secluded hot springs. The baths, both indoor and outdoor, are built from kaya (かや) wood, a slow-growing Japanese tree with a dense, smooth grain traditionally used for go boards. The spring water runs clear with a faint sulfur quality and is gently heated. Indoor and outdoor sets are gender-separated and swap sides at 22:00. No day use; overnight stays with in-room meals only.

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Onsen Oni

Last updated July 22, 2026