Introduction
Traveling in Japan with kids doesn’t mean you have to give up the luxury of hot springs. Many ryokan offer private onsen (貸切温泉) that families can enjoy together without worrying about disturbing other guests. These private baths give you peace of mind, playful moments with kids, and unforgettable memories in a relaxed Japanese setting. In this guide, we’ll share three ryokan we’ve personally stayed at, each offering unique private onsen experiences perfect for families.
Yarimikan – Private Onsen Japan with Swing and Slide (Gifu, Okuhida)

Located in the mountain valley of Okuhida, Yarimikan is famous for its large number of private outdoor baths. The highlight for families is a unique bath with a swing and even a slide, which our child absolutely loved. The sound of the river running nearby adds to the charm, making it feel like your own hidden adventure spot. Since the baths are private, there’s no need to worry if your kids get a bit noisy—it’s just your family and the mountains.
Why families love it:
- Multiple private outdoor baths to choose from
- Swing and slide bath – unforgettable for kids
- Beautiful river and mountain views
Kyoritsu Maintenance Hotels – Easy Private Onsen Japan + Free Treats

Kyoritsu Maintenance runs several ryokan across Japan (such as Shikishima-kan, Ikyu, Kadensho, and Kira no Sato). One of their best features for families is the four different private baths, all free of charge for overnight guests. You don’t need to reserve in advance—just check if it’s available, lock the door, and enjoy.
After your soak, don’t miss the free treats:
- Evening: ice cream popsicles
- Morning: yogurt-flavored drinks (a Japanese childhood favorite)
These little touches always delighted our daughter and made bath time feel extra special.

Why families love it:
- Easy access to 4 free private baths
- Fun post-bath snacks for kids and parents
- Reliable quality across multiple locations in Japan
- Kids’ meal plates available at breakfast and dinner
- Reservation: Not required (lock system)
- Additional Fee: No (included in room rate)
We’ve stayed at about five different Kyoritsu Resort hotels across Japan, and every one consistently offered private baths, post-bath ice cream and drinks, and kid-friendly meal plates. For details and the full list of locations, check the official website.
Sakaeya – Private Onsen with Sauna & Shaved Ice (Nagano, Shibu Onsen)

IBooking the Private Sauna Plan
My husband found a special plan that included a private onsen with a Finnish-style sauna, and booked it for us. The cost was about 9,000 yen for 100 minutes for three people—at first it felt pricey, but it turned out to be worth every yen. The private suite came with a sauna room, cold plunge, natural hot spring bath, two washing stations, a daybed, and even an outdoor relaxation space. The changing area itself felt like a lounge, with drinks and a shaved ice machine ready for us. All three of us enjoyed every minute of our 100-minute session.

Family Sauna Experience
The sauna used heated stones where you pour aromatic water to create a burst of steam and heat. It was intense—our 10‑year‑old daughter tried but quickly stepped out because it got too hot. The cold plunge pool, with its waterfall, became more of a fun attraction for her. Meanwhile, the outdoor chairs and daybed were perfect for cooling down and relaxing. The daybed, in fact, became her favorite spot to lounge.
The sauna is designed for three people but feels most comfortable with two. Since kids usually don’t stay in long, families of four can easily rotate and enjoy it without issue. We used it as a family of three and found it very comfortable. The changing area itself felt like a lounge, with drinks and a shaved ice machine ready for us. All three of us enjoyed every minute of our 100‑minute session.

Family Sauna Experience
The sauna used heated stones where you pour aromatic water to create a burst of steam and heat. It was intense—our 10‑year‑old daughter tried but quickly stepped out because it got too hot. The cold plunge pool, with its waterfall, became more of a fun attraction for her. Meanwhile, the outdoor chairs and daybed were perfect for cooling down and relaxing. The daybed, in fact, became her favorite spot to lounge.
Quick Comparison Table

Mobile-Friendly Summary
- Yarimikan (Gifu): Many private baths; swing & slide bath; mochi pounding; kids’ menu; no reservation required; no extra fee. Extra service: scenic river views.
- Kyoritsu Hotels: 4 free private baths; nationwide resorts; post-bath ice cream and morning yogurt drinks; kids’ meal plates available; no reservation needed; no extra fee. Extra service: consistent family-friendly perks across all locations.
- Sakaeya (Nagano): Private bath with sauna, cold plunge, and daybed; shaved ice machine and drinks; reservation required; extra fee may apply depending on plan. Extra service: cozy lounge with beer, drinks, and full amenities provided.
Tips for Booking a Family-Friendly Private Onsen Japan
- Check reservation rules: Some require advance booking, others are first-come-first-serve.
- Look for kid-friendly features: A bath with fun elements (like swings) or snacks after bathing can make the experience magical for children.
- Plan around bath times: Families with young kids often prefer afternoon or early evening slots when children still have energy.
Conclusion
Private onsen are a game-changer for families traveling in Japan. They offer privacy, comfort, and playful moments that both kids and parents can enjoy together. From swings and slides in Gifu, to free ice cream in Kyoto, to sauna and shaved ice in Nagano—these ryokan prove that hot springs can be one of the most family-friendly experiences in Japan.
👉 Check out our detailed reviews of each ryokan for booking info, family tips, and more photos!
Related Links
Looking for more details? Read our in-depth reviews of each ryokan we introduced:
- Yarimikan Ryokan Review – Private Onsen with Swing & Mochi Pounding
- Kyoritsu Resort – Kira no Sato (Izu) Review
- Kyoritsu Resort – Ikyu (Ise) Review
- Kyoritsu Resort – Kadensho (Arashiyama) Review
- Kyoritsu Resort – Shikishima-kan (Gunma) Review
- Sakaeya Ryokan Review – Private Onsen with Sauna & Shaved Ice
✨ Plan your next family trip today – click through to see photos, booking tips, and our honest experiences!