Hoshino Onsen Tombo-no-Yu - Image 1
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Karuizawa Onsen

4.2
·3k reviews·Karuizawa, Japan

A serene mountain retreat offering rejuvenating hot springs amidst beautiful natural landscapes, perfect for relaxation and escape.

Highlights

Highlights

Must-see attractions

Social content

Social

From TikTok & Reddit

Best Time

Weekday mornings

Fewer crowds, serene atmosphere

CrowdLow
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Hoshino Onsen Tombo-no-Yu - Image 1

Karuizawa Onsen

Best Time

Weekday mornings

Fewer crowds, serene atmosphere

CrowdLow
Highlights

Highlights

Must-see attractions

A serene mountain retreat offering rejuvenating hot springs amidst beautiful natural landscapes, perfect for relaxation and escape.

4.2
(3k reviews)

"The outdoor bath boasts a beautiful view of the autumn maple trees. Reddit"

Vertical photo
TIP

Day Trip from Tokyo

Easily accessible from Tokyo by Shinkansen and bus, making it a perfect day trip.

Towel Rental Fees

Towel rentals are available for an extra fee; consider bringing your own to save.

Third hero image

Highlights

Discover the most iconic attractions and experiences

Tombo-no-yu Outdoor Bath

Tombo-no-yu Outdoor Bath

Hoshino Onsen

Soak in the lukewarm outdoor bath with stunning views of nature, especially magical during snowfall.

Instagram
Hinoki Cypress Baths

Hinoki Cypress Baths

Shishiiwa House

Experience the stress-relieving aroma of Japanese cypress in private in-room baths.

Instagram
Snoopy Village

Snoopy Village

Karuizawa Prince Shopping Plaza

A charming spot for Snoopy fans, featuring themed shops and delicious chocolate treats.

TikTok
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Planning Your Visit

Timing Your Karuizawa Onsen Visit

While Karuizawa Onsen is beautiful year-round, consider visiting during the shoulder seasons (spring or autumn) for pleasant weather and fewer crowds. Weekdays are generally less busy than weekends, especially if you're aiming for a more tranquil experience. Reddit

Onsen Etiquette & Essentials

Familiarize yourself with onsen etiquette before you go, such as washing thoroughly before entering the baths. Many facilities offer towel rentals, but bringing your own can save on fees. TikTokInstagram

Best Times

When
Weekday mornings
Why
Fewer crowds, serene atmosphere
Crowd
Low
When
Autumn afternoons
Why
Beautiful fall foliage views
Crowd
Medium
When
Winter evenings
Why
Magical snowy onsen experience
Crowd
Medium

Insider Tips

from TikTok, Instagram & Reddit

軽井沢にて野生のキツネに遭遇🦊 Encounter a fox in Karuizawa #旅行 #冬 #Vlog #軽井沢#japan
@ngaksh6
322.8K likes • 5.5M views

Day Trip from Tokyo

Easily accessible from Tokyo by Shinkansen and bus, making it a perfect day trip. Reddit

Towel Rental Fees

Towel rentals are available for an extra fee; consider bringing your own to save. Reddit

snoopy village + chocolate copped the snoopy keychain ❤️ #snoopy #snoopychocolat #snoopyvillage #snoopyjapan #karuizawa #japantravel #snoopyvillage##R# 8-U- #軽井沢
@bigsojaworkouts
171.2K likes • 765.1K views
🍃 A refreshing sanctuary hidden away deep in the forests of Karuizawa… Ancient Hotel offers the ultimate retreat of tranquility with its focus being on connecting you with nature, easily done when you can enjoy forest views like this one! 🍃 with many freshly green momiji leaves we enjoyed our visit in summer but it’ll be just as stunning in the upcoming autumn too! 🍁 Soaking in onsen water alwa...
bassetts.bouken
735 likes • 14.1K views

Nature Immersion

Enjoy the sounds of birds and views of trees while bathing in the natural surroundings. Reddit

Family-Friendly Options

Some facilities offer baby bathtubs for rent, making it suitable for families. Instagram

星野リゾート 施設紹介 Short Movie🎥 トンボの湯 - Tombo-no-yu 星野温泉の歴史をくむ、くつろぎの立ち寄り温泉♨ 北原白秋や与謝野晶子もつかった古の湯に身をまかせれば、時は遥か、想いは彼方へ流れていきます😌 かねてより美肌の湯として伝えられた湧き湯での湯浴みのひと時をお楽しみください✨🌿 Immerse yourself in these luxurious outdoor baths with spectacular mountain views #HoshinoResorts #星野リゾート #TomboNoYu #トンボの湯 #Nagano #Karuizawa #長野県 #軽井沢 #軽井沢温泉 #KaruizawaOnsen #Onsen #travelJapan #ig_Japan #JapanTravel
hoshinoresorts.official
3.2K likes • 84.1K views

Tips

from all over the internet

Day Trip from Tokyo

Easily accessible from Tokyo by Shinkansen and bus, making it a perfect day trip. Reddit

Towel Rental Fees

Towel rentals are available for an extra fee; consider bringing your own to save. Reddit

Nature Immersion

Enjoy the sounds of birds and views of trees while bathing in the natural surroundings. Reddit

Family-Friendly Options

Some facilities offer baby bathtubs for rent, making it suitable for families. Instagram

Seasonal Beauty

Karuizawa is stunning year-round, from fresh green leaves in summer to snow in winter. Instagram

What Travellers Say

4.2
(3k reviews)

Reviews Summary

Visitors consistently praise Karuizawa Onsen for its beautiful natural settings and the therapeutic quality of its waters, with many highlighting the serene outdoor baths. While generally positive, some note that the women's bathing areas can sometimes feel limited in the number of pools. Reddit

"I wasn’t sure if I wanted to stop by since my hotel had its own onsen, but I’m glad I did. The outdoor baths are lovely and I had a nice time in here. Plenty of space as well since Hoshinoya guests are given private access for an hour in the morning."

Tina C

"A day-trip bathing facility located in Hoshino Onsen, a hot spring that has been around since the Taisho Era. When paying the admission fee at the reception, you can get a rental towel for an additional fee. The changing rooms have heated floors, and the small bathtubs for bathing babies are available for rent. The indoor baths are beautifully green and smooth to the touch. The outdoor bath is lukewarm and happens to be the best location to enjoy the fluttering snow at the same time. A recommended spot in Karuizawa in winter."

44 G

"Well worth the 1500Y for day-use onsen! The outdoor bath boasts a beautiful view of the autumn maple trees. There is an indoor bath as well complete with a view of the garden outside. We love the friendly service and delicious food in the cafe too. Best of all, there is a public bus service just outside the onsen."

M.Y Y

What People Like

Beautiful outdoor baths
Relaxing natural environment
Therapeutic hot springs

What People Dislike

Limited pools for women

Frequently Asked Questions

🚇 🗺️ Getting There

You can reach Karuizawa Onsen from Tokyo by taking the Shinkansen to Karuizawa Station (approx. 1 hour), followed by a bus ride (approx. 50 minutes). Reddit Some hotels like Hoshino Resorts offer shuttle services. Instagram

Yes, there are public bus services available, including one that stops conveniently outside some onsen facilities. Reddit

Driving is an option, but be aware of potential parking availability and fees, especially during peak seasons. TikTok

While buses are available, consider taxis for more direct and flexible travel between various onsen locations. TikTok

The journey itself can be scenic, especially if you travel during autumn when the surrounding nature is vibrant. Instagram

🎫 🎫 Tickets & Entry

Day-use admission fees typically range from ¥1350 to ¥1500, with towel rentals available for an additional cost. Reddit

For day-use facilities, advance booking is usually not required, but it's always a good idea to check the specific facility's policy, especially during busy periods. Reddit

Operating hours vary by facility. Tombo-no-yu at Hoshino Resorts is a popular choice, and it's best to check their official website for current hours. Instagram

Yes, Karuizawa offers private onsen experiences, particularly in hotels and ryokans, such as the Hinoki cypress baths at Shishiiwa House. TikTokInstagram

Generally, hotel onsens are for guests only. However, some hotels offer day-use access to their onsen facilities. Reddit

🎫 ♨️ Onsen Experience

Before entering the baths, you must wash your body thoroughly at the provided washing stations. Avoid wearing swimwear in the onsen. TikTok

Facilities typically include indoor and outdoor baths, saunas, changing rooms with heated floors, and sometimes baby bathtubs. Towel rentals are common. InstagramReddit

The mineral-rich waters are known for their smooth, green, and beautifying properties. The natural settings also promote relaxation and stress relief. Instagram+1

Absolutely! The onsen experience is unique in every season, from enjoying the fresh greenery in summer to witnessing snowfall in winter. Instagram+1

Yes, several accommodations offer private onsen baths, providing a more intimate and personalized experience. TikTokInstagram

📸 📸 Photography

Photography is generally prohibited inside the bathing areas of most onsen facilities to respect privacy. However, you can often take photos of the surrounding nature and common areas. TikTok

Beyond the onsen, explore areas like Snoopy Village for quirky shots TikTok or the natural landscapes surrounding the hot springs for serene photography. Instagram

While you can't photograph other bathers, some facilities might allow discreet photos of the outdoor bath's scenic views from designated areas. Always check the rules. Instagram

A versatile camera or smartphone with good low-light capabilities is ideal. Consider a wide-angle lens for capturing expansive natural scenery. TikTok

Early mornings or late afternoons often provide softer light, enhancing the natural beauty. Golden hour can be particularly stunning. Instagram

For Different Travelers

Tailored advice for your travel style

👨‍👩‍👧 Families with Kids

Karuizawa Onsen can be a great family destination. While the main onsen facilities are for relaxation, some places offer amenities like baby bathtubs for rent, making it easier for parents with very young children. InstagramReddit Beyond the onsen, Snoopy Village provides a fun and engaging activity for kids, with its themed shops and character-focused attractions. TikTok

Consider accommodations that offer private onsen options or family suites, which can provide more space and privacy for your group. The natural surroundings also offer opportunities for gentle outdoor activities suitable for children. Instagram

💑 Couples Retreat

Karuizawa Onsen is an ideal destination for a romantic getaway. Opt for accommodations that feature private onsen baths, allowing you to enjoy a secluded and intimate soak together. Instagram The tranquil atmosphere and beautiful natural scenery create a perfect setting for relaxation and connection. Instagram

Many of the onsen facilities offer stunning views, especially the outdoor baths, which can be particularly magical during sunset or even while it's snowing. InstagramReddit Enjoying a leisurely meal at a local cafe or restaurant after your onsen experience can further enhance the romantic ambiance. Reddit

🚶 Solo Travelers

For solo travelers seeking peace and rejuvenation, Karuizawa Onsen is an excellent choice. The emphasis on nature and tranquility allows for a deeply relaxing experience. Instagram+1 Many onsen facilities are well-equipped and offer a safe and comfortable environment. Reddit

Consider visiting during weekdays to enjoy a more serene atmosphere with fewer people. Reddit This is a great opportunity to disconnect, reflect, and enjoy the therapeutic benefits of the hot springs at your own pace. Instagram

Deep Dives

In-depth insights and expert knowledge

The History and Appeal of Hoshino Onsen

Karuizawa Onsen is deeply rooted in the history of Hoshino Onsen, a hot spring area that has been cherished since the Taisho Era. This long-standing tradition contributes to the area's serene and timeless atmosphere. The Tombo-no-yu facility, for instance, offers a glimpse into this heritage, with its indoor baths described as beautifully green and smooth to the touch, and an outdoor bath that provides a tranquil setting to enjoy the changing seasons. InstagramReddit

The appeal of Karuizawa Onsen lies not just in its therapeutic waters but also in its harmonious integration with nature. Visitors often praise the ability to hear birdsong and admire the surrounding trees while bathing, creating a truly immersive and relaxing experience. This connection to the natural environment is a key reason why many seek out Karuizawa for a peaceful escape. Reddit

Whether you're seeking a rejuvenating soak in the winter snow or a refreshing dip amidst summer greenery, Karuizawa Onsen offers a unique experience throughout the year. The blend of historical significance and natural beauty makes it a must-visit destination for those looking to unwind and connect with Japan's onsen culture. Instagram+1

Private Onsen Experiences in Karuizawa

For those seeking a more intimate and exclusive onsen experience, Karuizawa offers several options for private baths. Shishiiwa House, for example, features 'hinoki' cypress baths in all its suite rooms. These baths are crafted from high-quality Japanese cypress, known for releasing essential oils that promote relaxation and stress relief. This offers a luxurious way to enjoy the therapeutic benefits of onsen in complete privacy. Instagram

Many hotels and ryokans in Karuizawa provide private onsen facilities, allowing guests to soak at their own pace without the crowds. This is particularly appealing for couples or families who prefer a more personalized experience. Some accommodations even offer in-room onsen baths, ensuring ultimate comfort and convenience. TikTokInstagram

While private onsen experiences often come at a higher price point, they offer unparalleled tranquility and a chance to fully immerse yourself in the onsen culture without any distractions. It's a worthwhile indulgence for those looking to elevate their Karuizawa visit. Instagram

Beyond the Onsen: Karuizawa's Other Attractions

While Karuizawa Onsen is a major draw, the area offers more for visitors to explore. Snoopy Village, located near the Karuizawa Prince Shopping Plaza, is a delightful spot for fans of the beloved beagle, featuring themed shops and cafes. It's a fun diversion, especially for families. TikTok

Karuizawa is also known for its natural beauty, with opportunities for leisurely walks and enjoying the fresh mountain air. The region's forests and scenic landscapes provide a refreshing backdrop to any onsen visit. Instagram Some visitors even encounter local wildlife, adding an element of surprise to their trip. TikTok

For shoppers, the Karuizawa Prince Shopping Plaza offers a wide array of boutiques and stores, making it a popular destination for both locals and tourists looking for a retail therapy session. TikTok

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