Takamine Onsen: A hidden mountain hot spring retreat in Nagano, Japan, featuring an open-air onsen, stargazing, and breathtaking views at 2000m altitude.

Open-air bath at Takamine Onsen with mountain view and wooden sign indicating 2000m elevation.

Just One Minute to the Sky — The Magic of Takamine Onsen’s Outdoor Bath

Perched at an elevation of 2,000 meters, Takamine Onsen is home to a spectacular outdoor bath “above the clouds.”
On clear days, you can see all the way to the distant Matsumoto plains. On misty days, soaking in the open-air bath wrapped in clouds is an equally magical experience.
We were so enchanted by this view that we came back a second time—and stayed two nights just to try again in sunny weather.


Forest path leading to separate men’s and women’s outdoor baths at Takamine Onsen.

The Short Hike to the Bath Is Part of the Experience

To reach the outdoor bath, you slip into the provided sandals and take a short walk through a peaceful forest trail.
It felt like a mini adventure, especially for our daughter, who loved the journey just as much as the soak.


Family enjoying a traditional Japanese dinner at a wooden dining room in Takamine Onsen.

Mountain Cuisine with Heart: Healthy and Satisfying

Dinner was a warm, home-style Japanese meal featuring local mountain vegetables.
We had hot pots filled with seasonal ingredients—simple, nourishing, and delicious even for our picky eater.

Breakfast was equally satisfying with gentle, detox-style Japanese dishes.
You can even request onigiri the night before if you’re planning a morning hike. Super convenient!


A Family Ryokan You’ll Want to Visit Again and Again

What brought us back for a second stay? The dream of soaking in the outdoor bath under blue skies came true during our two-night retreat. After checking in from Shirakaba Resort, we relaxed in the bath on a misty evening, then joined the nighttime star-gazing tour.

To our surprise, it wasn’t just casual stargazing—two large astronomical telescopes were set up, and we could clearly see the craters on the moon and the rings of Saturn. Our daughter was speechless. So were we.


The next morning, we woke up early and returned to the outdoor bath. The air was crisp and fresh, and the sky—completely clear. Not a single cloud. The view stretched endlessly, and the feeling of soaking in the warm water while surrounded by such pure, open sky was simply unforgettable.

If you’re planning to stay, we highly recommend waking up early at least once for a sunrise soak. The morning air at this altitude feels especially refreshing—and it’s the perfect way to start the day in the Japanese Alps.

On the second day, we hiked Ikenodaira in the morning, then returned to Takamine Onsen for another soak. This kind of slow, nature-rich pace was exactly what we needed.

Family taking a scenic break with rice balls during a hike near Takamine Onsen.

Hiking Ikenodaira Wetland with a Packed Lunch

With our onigiri in hand, we headed out for a morning adventure.
The hike through Ikenodaira Wetland and Suikoto Island was one of the highlights of our family trip.
It’s an easy trail full of flowers and wide-open skies, perfect for families with young kids.


Historic street view at Shibu Onsen with access to multiple baths — best onsen in japan for onsen hopping.

Extending the Journey: A Visit to Shibu Onsen

After our two-night stay at Takamine Onsen, we continued our journey to Shibu Onsen, a traditional hot spring town full of charm and atmosphere. With its nostalgic streets and access to the Snow Monkey Park, it was a wonderful way to wrap up our Nagano trip.

If you’re interested in visiting Shibu Onsen too, be sure to check out our full guide below—or browse Agoda for traveler reviews and ryokan options in English.

🔹 Read full blog about Shibu Onsen

🔹 Check Rooms & Prices on Agoda


Sunset sky with soft orange clouds above the mountains near Takamine Onsen, creating a serene evening view.

Why We Recommend Takamine Onsen to Families Like Yours

If you’re looking for a peaceful, nature-filled retreat that combines mountain views, outdoor onsen, and unforgettable family experiences, Takamine Onsen delivers.

Whether it’s the fresh mountain air, the meals crafted with care, or the moment your child points to Saturn’s rings through a telescope, this ryokan offers memories you’ll talk about for years.

If your family trip to Japan includes Nagano, this spot is worth bookmarking.


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🛏 Book Takamine Onsen in English via Agoda

Takamine Onsen is a peaceful mountain ryokan surrounded by nature, with many English reviews online.
Booking through Agoda makes the process easy and smooth—especially for international families.

🔹 Check Rooms & Prices on Agoda

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