The Best Hotels with a Pool in Annaka from ￥17,107 in 2026

A traditional Japanese building with a tiled roof and wooden beams, surrounded by well-maintained gardens and a clear sky.

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Our top choices for Annaka hotels with a pool

1. ANA Holiday Inn Resort Karuizawa by IHG

Naganohara

Enjoy indoor pools, golf views, and mineral hot springs amid mountain scenery all year.

￥16,864

￥18,550 total

Sep 28 - Sep 29

Two Bedroom Suite, with Terrace, Non Smoking (Please include all persons in your reservation) | In-room safe, blackout drapes, iron/ironing board (on request)

2. Karuizawa Club Hotel Karuizawa 1130 / Hewitt Resort

Tsumagoi

Seasonal hot springs pool paradise with an outdoor tennis court and serene resort atmosphere in Karuizawa.

￥17,585

￥21,856 total

Sep 15 - Sep 16

3. Estivant Club

Tsumagoi

Splash into mountain luxury at this Karuizawa retreat with indoor/outdoor pool and spa services.

￥15,552

￥17,107 total

Oct 12 - Oct 13

Premium bedding, in-room safe, WiFi (free), individually decorated

Villa B (Scandinavian casual style) One private house with private garden, Non Smoking | Premium bedding, in-room safe, WiFi (free), individually decorated

4. Villa Metsä Karuizawa

Karuizawa

Outdoor shower sanctuary in garden lodge where hot springs and luxury converge.

￥64,964

￥71,460 total

Sep 16 - Sep 17

5. Kusatsu Onsen Hotel Sakurai

Kusatsu

Seasonal outdoor pool and children's splash zone set amid Japanese gardens and hot springs.

￥41,360

￥46,060 total

Sep 16 - Sep 17

6. Kusatsu Onsen Hotel Village

Kusatsu

Plunge into 2 indoor pools and steaming hot springs at this Japanese mountain resort.

￥19,742

￥24,187 total

Sep 17 - Sep 18

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Choose what matters most at hotels with a pool in Annaka

Breakfast included

4 stars

5 stars

Hot tub

Spa

Top Annaka Hotel Reviews

Kusatsu Onsen Hotel Sakurai

8/10 Good

"The property was nice and modern. All amenities were in working order. Location is further from center of town. The town is also deserted, almost. Nothing really around. Onsen water is nice as well as the low temperature sauna."

Frequently asked questions

What are some accommodations with pools in Annaka?

Karuizawa Prince Hotel West: Provides a children's pool, an indoor pool, and spa services. Karuizawa Hotel Longing House: Features a children's pool, a seasonal outdoor pool, and 4 restaurants. Hotel Karuizawa Cross: Offers 2 restaurants, an outdoor pool, and a full-service spa.

What is there to see and do in Annaka?

Make a point to visit attractions like Isobe Onsen and Usui Pass Railway Heritage Park. During your stay, check out sights such as Karuizawa Prince Hotel Ski Resort, Joshin'etsu-kogen National Park, and Mount Myogi.

When is the best time to book a hotel with a pool in Annaka?

You may want to consider an accommodation with an outdoor swimming pool if you plan to visit Annaka in the warmest months of August, July, or September when the average temperature is 71°F. Lodging with an indoor pool may be what you want if you are visiting during the coldest months of January, February, or December when the average temp is 38°F.

What's the best way to travel around Annaka?

Knowing the transportation options in and around Annaka can help you enjoy the area beyond your hotel pool. If you want to explore the larger area, ride aboard one of the trains from Yokokawa station. Annaka might not have many public transit choices so consider renting a car to explore more.

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