Gunma has plenty of public bathhouses!

Gunma is a delightful area for bath lovers, with numerous super sento (large-scale public bathhouses) scattered throughout, where you can casually drop in whenever the mood strikes. Many facilities are easily accessible from urban areas like Takasaki, Maebashi, Isesaki, and Ota, making them convenient for a stop after shopping, after work, or even for a mini-vacation on your days off. You can stretch out in a large bath, feel the open air in an open-air bath, or spend half a day relaxing with a meal and a break, customizing your experience to your mood. Each facility has its unique types of baths and ways to enjoy them, making it easy to discover new favorites with every visit—a unique charm of Gunma. You can experience the simple joy of local bathhouses, different from touring traditional hot spring resorts. This time, we will carefully select and introduce attractive facilities from the many public bathhouses and super sento in Gunma, including both popular spots and hidden gems.

10 Recommended Sento in Gunma

Takasaki Kyogashima Natural Hot Spring Yudori

Source: Nifty Onsen

If you're looking for a super sento with natural hot springs in the Takasaki area of Gunma, "Takasaki Kyogashima Natural Hot Spring Yudori" is definitely worth checking out. The hot spring water, gushing from ancient geological strata, is a sodium chloride and bicarbonate spring, praised in reviews for leaving skin smooth after bathing. The open-air baths offer a rich variety, including rock baths, cypress baths, and a "Mage no Yu" where you can lie down and gaze at the sky, while the indoor baths feature jet baths and seasonal rotating baths to keep things interesting.

For families, the availability of 9 private rental baths, each with an indoor and open-air bath, is a welcome feature. Even with small children, you can relax without worrying about others. After your bath, taking a break at the in-house restaurant is also recommended. Access is easy, located about 0.5 km from the Takasaki Interchange on the Kan-Etsu Expressway towards Takasaki city, and parking is available. From JR Takasaki Station East Exit, it's about a 12-minute bus ride, right in front of the Yudori-mae bus stop.

Natural Hot Spring Yurabu Ota Branch

Source: Nifty Onsen

If you're looking for a super sento where you can relax all day in the Ota area of Gunma, "Natural Hot Spring Yurabu Ota Branch" is a perfect fit. All open-air baths use natural hot spring water, offering a rich variety including spacious rock baths, cypress baths,壺湯 (tsuboyu, pot baths), and a walking bath that provides a comfortable stimulus to the soles of your feet. The high-concentration carbonated spring is also popular, allowing you to warm up from the core by soaking slowly in the lukewarm water. The spring quality is weakly alkaline simple hot spring water, which is gentle on the skin and leaves you feeling refreshed after bathing. There are 6 private family baths, each with a Japanese-style room, so even families with small children can relax without worrying about others.

The facility also features extensive dining areas and cafes, making it convenient to relax directly after your bath. Access is excellent, located about 5 minutes from the Kita-Kanto Expressway's Ota-Kiryu Interchange, along National Route 50, and parking is available.

Yurakuno Sato Isesaki Branch

Source: Nifty Onsen

For those in the Isesaki area of Gunma looking for a super sento where they can enjoy authentic natural hot springs, "Yurakuno Sato Isesaki Branch" is a popular choice. The hot spring water, gushing from 1,500 meters underground at a generous rate of 250 liters per minute, allows visitors to fully enjoy 100% free-flowing spring water in the open-air baths. The water quality is a sodium chloride and bicarbonate spring, renowned as a "beauty spring" for smoothing the skin. Reviews even mention a faint sulfur scent, giving a "mini Kusatsu" experience. The high-concentration carbonated spring is so potent that fine bubbles densely cover the body, offering a refreshing experience when soaking slowly in its lukewarm temperature.

The facility also features pot baths and reclining baths, allowing you to choose your preferred bathing experience. With free resting areas and dining options, it's ideal for those who want to relax leisurely after their bath. Located along National Route 354 in Nirazuka-cho, Isesaki City, with ample parking available.

Kogane no Yu Kan

Source: Nifty Onsen

If you're looking for a day trip to the hot springs in Gunma's Ikaho Onsen, "Kogane no Yu Kan" is a must-visit spot. The reddish-brown water, synonymous with Ikaho Onsen, is a free-flowing hot spring rich in iron. The lukewarm temperature allows for a long, slow soak, warming you thoroughly from the core. The water quality, a calcium, sodium sulfate, bicarbonate, and chloride spring, has long been cherished as a "bath for fertility." In addition to the spacious main bath with high ceilings, the open-air bath surrounded by greenery offers a relaxing experience with the fresh air of the four seasons. Soaking in the open-air bath during the crisp cold of winter is truly exceptional.

After your bath, you can enjoy the manga area with approximately 3,500 comics and a table tennis corner, making it fun for the whole family. There's also a spacious resting area, allowing you to spend a leisurely day. It's about a 20-minute bus ride from JR Shibukawa Station, right in front of the Mishitashita bus stop. Free parking is available.

Natural Hot Spring Shichifuku no Yu Maebashi Branch

Source: Nifty Onsen

If you're looking for a super sento in the Maebashi area of Gunma where you can easily enjoy free-flowing natural hot springs, "Natural Hot Spring Shichifuku no Yu Maebashi Branch" is the place. It boasts 100% free-flowing spring water, luxuriantly utilizing the abundant supply gushing from 1,500 meters underground. The water quality is a sodium chloride and bicarbonate spring, praised for thoroughly warming the body from the core and preventing chills after bathing. The open-air baths offer three types: rock baths, pot baths, and reclining baths, and it's pleasant to relax in the rock bath with a TV. The nano-carbonated bath is set at a lukewarm temperature, perfect for those who want to enjoy a long, leisurely soak.

The facility also has dining options, a manga space, a reclining tatami room, and a kids' room, allowing families with children to spend a full day relaxing. We also recommend sweating it out in the bedrock bath or ceramic plate bath. It's about a 10-minute walk from Maebashi-Oshima Station, located along Prefectural Road Maebashi-Tatebayashi, and parking is available.

Super Sento Maebashi Yasuragi no Yu

Source: Nifty Onsen

If you're looking for a bathhouse with a wide variety of baths in the Maebashi/Isesaki area of Gunma, check out "Super Sento Maebashi Yasuragi no Yu." Renovated in September 2024, the facilities are now pristine, with all showerheads and hairdryers standardized to ReFa. Both indoor and outdoor baths feature carbonated springs, and soaking leisurely in the lukewarm water promotes blood circulation and thoroughly warms the body. The open-air baths also offer Hokutolite stone baths and reclining baths, providing a fun experience of hopping between different types of baths to suit your mood. Stimulating baths like electric baths and jet baths are also abundant.

The dining area offers about 50 types of dishes, including 100% buckwheat soba and stone-grilled bibimbap, and package deals combining admission and meals are popular. The weekday price of 700 yen is also a welcome point. Located along National Route 50, with ample parking available.

Shibukawa Natural Hot Spring Hanayu Skytel Resort

Source: Nifty Onsen

If you want to enjoy both views and hot springs in Gunma's Shibukawa area, "Shibukawa Natural Hot Spring Hanayu Skytel Resort" is highly recommended. The main bath is located 15 meters above ground, offering a spectacular open view of Gunma's famous mountains, including Mount Akagi and Mount Haruna. In the open-air bath, you can enjoy free-flowing raw spring water gushing from 1,400 meters underground. The spring water is a sodium and calcium chloride spring, known for its high moisturizing effects and reputation as a beauty spring. The unique, slightly salty water warms the body thoroughly, and the warmth lasts long after bathing.

Another highlight is the "Ontsuki cafe NEST," equipped with 8 types of bedrock baths. Free hot drinks, about 20,000 comics, and massage chairs are available for free, allowing you to spend a leisurely day without time limits. The restaurant also offers a wide selection of local dishes. Access is easy, about a 3-minute drive from the Shibukawa-Ikaho IC on the Kan-Etsu Expressway, and parking is available.

Roadside Station Maebashi Akagi Maebashi Akagi no Yu

Source: Nifty Onsen

If you're looking for a bathhouse to stop at while driving in the Maebashi area of Gunma, "Maebashi Akagi no Yu" at Roadside Station Maebashi Akagi is perfect. You'll be greeted by a retro, bathhouse-style reception desk reminiscent of the Showa era. The bathhouse walls feature a background painting of Mount Akagi, created by Mizuki Tanaka, the only female sento painter in Japan, which is relaxing just to look at. The bathwater uses Coralight Bath Salt, offering a unique experience of soaking in mineral-rich, highly moisturizing, lotion-like water. There's also a high-concentration carbonated bath where you can slowly warm your body in the lukewarm water. It's praised for leaving the skin smooth after bathing.

In the open-air bath, you can enjoy the seasonal scenery of Akagi, and you can also enjoy shopping at the food court and direct sales store within the roadside station. It's about a 10-minute drive from the Komayose Smart Interchange on the Kan-Etsu Expressway, and there's ample parking.

Ainoyama no Yu

Source: Nifty Onsen

If you're looking to enjoy both hot springs and a pool with your family in the Maebashi area of Gunma, "Ainoyama no Yu" is definitely a facility to check out. Located next to a roadside station at the foot of Mount Akagi, its sodium and calcium chloride spring water, gushing from 1,200 meters underground, is soft and smooth to the touch. It excels at retaining warmth, so your body stays toasty long after bathing. From the open-air bath, you can enjoy a panoramic view of Maebashi city, relaxing in the open air. There are also five private rooms with indoor baths featuring free-flowing spring water, perfect for those who want to spend private time with their families.

The amusement pool with slides and a slider is included in the admission fee, making it a great place to spend a whole day with children. The restaurant also offers dishes made with local ingredients. It's about a 25-minute bus ride from JR Maebashi Station, right in front of the Ogikubo Koen bus stop. Parking is also available.

Natural Hot Spring Ota Anmin no Yu

Source: Nifty Onsen

If you're looking to enjoy natural hot springs while shopping in the Ota area of Gunma, "Natural Hot Spring Ota Anmin no Yu," located right next to Aeon Mall Ota, is convenient. It's a free-flowing hot spring with water gushing from fossil seawater trapped in geological strata about ten million years ago, making it a sodium chloride spring rich in minerals. The lukewarm temperature allows for a leisurely soak, and the body stays warm long after bathing. With two indoor baths and five open-air baths, themed after the Seven Lucky Gods, you can enjoy hopping between cypress baths, pot baths, rock baths, and more, depending on your mood.

The dining area offers a variety of reasonably priced Japanese, Western, and Chinese dishes, perfect for a drink after your bath. There are also private rooms with dedicated open-air baths, recommended for days when you want to relax slowly. It's about a 10-minute drive from the Ota-Kiryu IC on the Kita-Kanto Expressway, and parking is available.

Enjoy Sento in Gunma!

If you want to fully enjoy super sento in Gunma, the great advantage is being able to choose a facility according to your plans and mood for the day. Whether you want to thoroughly enjoy the bath or spend a leisurely day with meals and relaxation, you're sure to find the perfect spot in Gunma. Super sento are an easy and accessible option when you want to make an ordinary weekend a little special or are looking for a destination for a drive. Visiting several facilities allows you to enjoy the differences in their waters and atmospheres, making your outings in Gunma even more fulfilling. Even the time spent choosing, from nearby options to a slightly distant destination, is part of the fun. Based on the 10 recommendations introduced here, please feel free to visit the facilities that catch your eye. Find your favorite spot and thoroughly enjoy the unique bathing experience Gunma has to offer.