Kyushu · Fukuoka · Ukiha
Fukusenka
Ukiha onsen ryokan welcoming pets and children—dedicated pet rooms, dog run, and pet onsen amenities on official site.
Summer outdoor slide parks
Long outdoor slides and summer water parks. Seasons change every year— confirm opening dates officially. 9 listed · Ad
Chubu · Shizuoka · Izu-Nagaoka
Fukuritei Ogawaya
Izu-Nagaoka onsen inn where all rooms accept dogs and cats; pet footbath (wan-wan ashiyu) with onsen water.
Kyushu · Kumamoto · Aso
Onyado Ogasawara
Aso onsen ryokan with detached cottages featuring private onsen and extensive dog runs—built for pet stays.
Chubu · Yamanashi · Minami-Alps area
Sanwaso (Momonoki Onsen)
All guest rooms pet-OK at this mountain onsen inn with free-flowing source baths and dog run by the lobby.
Chubu · Niigata · Joetsu
Wanyado Unohamakan
Seaside onsen inn welcoming dogs of all sizes and cats in-room; pet foot-wash, grooming counter, dog yukata service.
Kanto · Kanagawa · Hakone
Yururi Hakone
Small-dog-focused Hakone ryokan often listed for pet-together dining and private baths—verify current dog-size policy on official pages before booking.
Kanto · Tochigi · Nasu
Hotel Sunvalley Nasu
Large Nasu resort hotel with pet-friendly cottage/room products and onsen facilities for owners—confirm current pet building rules on official site.
Hokkaido · Hokkaido · Tokachi
Tokachi Makiba no Ie WITH DOG Villa
Tokachi villa resort with dedicated WITH DOG Villa and dog run. Not a classic onsen ryokan (onsen nearby)—included as pet-first countryside stay adjacent to hot-spring region.
Chubu · Shizuoka · Atami
Hotel Heartpia Atami
Atami hotel with published pet-friendly plans and onsen baths for owners—confirm pet room inventory on official Heartpia site.
| Hotel | Region | Indoor | Year-round | Slide summary | Book Ad |
|---|---|---|---|---|---|
| Fukusenka Fukuoka · Ukiha | Kyushu | Yes | Yes | Ukiha onsen ryokan welcoming pets and children—dedicated pet rooms, dog run, and pet onsen amenities on official site. | Compare & book |
| Fukuritei Ogawaya Shizuoka · Izu-Nagaoka | Chubu | Yes | Yes | Izu-Nagaoka onsen inn where all rooms accept dogs and cats; pet footbath (wan-wan ashiyu) with onsen water. | Compare & book |
| Onyado Ogasawara Kumamoto · Aso | Kyushu | Yes | Yes | Aso onsen ryokan with detached cottages featuring private onsen and extensive dog runs—built for pet stays. | Compare & book |
| Sanwaso (Momonoki Onsen) Yamanashi · Minami-Alps area | Chubu | Yes | Yes | All guest rooms pet-OK at this mountain onsen inn with free-flowing source baths and dog run by the lobby. | Compare & book |
| Wanyado Unohamakan Niigata · Joetsu | Chubu | Yes | Yes | Seaside onsen inn welcoming dogs of all sizes and cats in-room; pet foot-wash, grooming counter, dog yukata service. | Compare & book |
| Yururi Hakone Kanagawa · Hakone | Kanto | Yes | Yes | Small-dog-focused Hakone ryokan often listed for pet-together dining and private baths—verify current dog-size policy on official pages before booking. | Compare & book |
| Hotel Sunvalley Nasu Tochigi · Nasu | Kanto | Yes | Yes | Large Nasu resort hotel with pet-friendly cottage/room products and onsen facilities for owners—confirm current pet building rules on official site. | Compare & book |
| Tokachi Makiba no Ie WITH DOG Villa Hokkaido · Tokachi | Hokkaido | Yes | Yes | Tokachi villa resort with dedicated WITH DOG Villa and dog run. Not a classic onsen ryokan (onsen nearby)—included as pet-first countryside stay adjacent to hot-spring region. | Compare & book |
| Hotel Heartpia Atami Shizuoka · Atami | Chubu | Yes | Yes | Atami hotel with published pet-friendly plans and onsen baths for owners—confirm pet room inventory on official Heartpia site. | Compare & book |