Yunohana






Yunohana's facilities are old and not the cleanest, but simply bathing in the bath for wounds, bruises, muscle pain, and back pain somehow soothes the pain. The bath here soothes rough skin and leaves it smooth. The bath fee is only 780 yen, and it even has massage machines, so it's a bargain. It's open until late on weekends, so you can bathe even in the middle of the night. For some reason, rather than getting treatment for back pain at an orthopedic clinic, simply bathing in the bath soothes the pain. The faucet never stops running, and the shower is broken in some places, but I love the hot water. This hot spring makes your skin smooth without needing to wash your body with soap. It has a truly miraculous effect, and even bruises disappear within a few days. It closes at 2 a.m. on weekdays, but is open until 4 a.m. on Saturdays. When the summer heat keeps you up at night, bathing here somehow makes you feel less hot. If you bathe at midnight on July 3rd, you'll sleep soundly without feeling any heat. It relieves fatigue and relieves back pain. It's open until 2:00 on weekdays. The massage machines are also very affordable, only 100 yen. The shampoo here is a rinse-in-shampoo, and while I wasn't expecting much, it did make my hair smooth. The baths are now alternated between men and women for one day. The small, unheated open-air bath at the back of the first floor, fed by natural hot spring water, is very popular. The admission fee has increased to 830 yen, but 10 tickets are available for 6,800 yen. It's a great deal. The baths are alternated, with the first and second floors being used for men and women. Take a nap on the bench next to the open-air bath on the second floor to soothe your fatigue. There's an unheated bath on the first floor, so bathing there is also a great way to soothe your fatigue. The heated hot water bath on the first floor is also unheated due to the height of summer, and is very popular. The men's and women's baths alternate every other day. The second floor has a round bath where you can sleep on a long lounger. The first floor also has popular medicinal baths, hot spring baths, and hot baths. Due to the extreme heat until late September, the hot spring water is kept warm, so you can bathe even during urinary hours. The shampoo is crude, so we recommend bringing your own. Surprisingly, bathing in this bath helps you sleep soundly at night. There are massage machines in the changing area, and for 100 yen, you can enjoy a massage and foot massage. There are two parking lots, but the one next to the building is easier to park in. The third parking lot is also open on Sundays and holidays. We visited on September 21st at 9:00 PM, and the men's bath was in the hot spring on the second floor. There is also a sauna, but the round bath is a hot spring, and the waterfall-like water soothes stiff shoulders. There are chairs around the round bath, so you can warm up or take a nap. There is also a massage machine for 100 yen, which can help relieve stiffness. The sauna boiler in the first-floor bath is broken, so the sauna will be unavailable for a few days. Today, I collected a lot of stamps, so the bath was free. The 100-yen massage machine will also help with shoulder pain. On October 28th, the men were staying on the second floor, so there were chairs outside the open-air bath where you could sit and take a nap. My favorite was the 100-yen massage machine, which massaged my buttocks and relieved my lower back pain. On October 30th, the men were staying on the second floor, so I took an hour-long nap on a chair outside the open-air bath. Bathing in the open-air bath means you won't feel cold, even if the temperature outside is low. Because you don't catch a chill after bathing, you can sleep soundly until morning at home without waking up. On November 7th, I collected enough bathing stamps, so the bath was free. The herbal bath is also popular, so the water is warm, allowing for a relaxing bath. Please make sure the shower and faucet are working properly before using it. The tiles are peeling, but we can boast about the hot spring water. Ryusenji Temple in Soka is also popular, but the water here rivals it. Kenbi no Yu is a carbonated bath, but it's not a hot spring. Due to locker replacement, the facility will be open from 6:00 PM on November 20th. The 26th is Bath Day, so multi-use tickets are on sale for 7,000 yen until the 26th. It's a great deal. Today marks the last day to buy a multi-use ticket for 7,000 yen. 700 yen per use is usually 830 yen, so you save 130 yen. There's also a snack corner, but don't expect it to be anything special. It's soba, udon, and curry, so don't expect it to be very tasty. Today, since the men's room is on the first floor, the electric bath in the corner of the bathtub is very comfortable. The jacuzzi is broken, so you can lie down while bathing. I visited on December 5th, and it felt a little cold unless the open-air bath temperature was adjusted to the winter version. The opening hours are posted at the end of the year, and they're open from 8:00 AM even on New Year's Day, which is a nice service. During the New Year's holidays, the baths are open until late at night, so I can get a good night's sleep. I'm also hoping for a sale on the multi-use pass starting mid-month. Just bathing here has helped me avoid colds and back pain for the past few years. On December 25th, I bought a book of multi-use passes for 6,900 yen. A single pass costs 690 yen, so I saved 140 yen. The hot springs have the same effects as soap, leaving your skin smooth. Even without washing your body with soap, just bathing is the same as washing. The facilities are aging, but the broken jacuzzi bathtub is broken, so you can sleep peacefully. This place is so dirty I'm proud of it, but bathing in the hot water cleans my body without washing. I do wash my hair, but I know where the faucets and showers are, so I can just wash my hair there.
I was passing by while using up my Jalan points, so I dropped in. Bicarbonate springs are rare in southern Kanto. There are two types: one is a bicarbonate spring and the other is a common chloride spring. The bath is a rich, brownish-colored bath, fed directly from the source. The hot spring temperature is around 36°C, so only a small amount of water is added (it was lukewarm, so I think the bath temperature was around 40°C). You don't see hot springs like this often in southern Kanto, but it's a great deal for this area! On this day, the women's room was on the second floor, and the open-air bath was the hot spring. I made an online reservation, but I thought there might be an extra charge for lockers and shoe racks, so I brought my own, but they were very Showa-era, so I didn't need them. There was a sign at the entrance that the sauna and jet bath were out of order, but that didn't matter to me, as I prioritized the hot springs. The acupressure (hot spring) bath while lying down in the open-air bath was great. The facility is honestly a bit old, and the amenities are just shampoo, conditioner, and body soap. I wonder what brand they're from? But I bring my own, so it's no problem. The age of the facility also adds to its charm. It's low-key, so it's not too strong, but the color really makes you feel like you're in a hot spring, so I was happy! There was only a hair dryer, but the airflow was more than enough. I was very satisfied with the hot spring in many ways, but the road in front of the facility is a no-U-turn zone, so although the trip there was smooth, I had trouble figuring out the opposite direction on the way back, even with Google Maps. Please be careful if you're not a local.
■Date Monday, January 12, 2026 (National Holiday) Visited at 10:15 AM ■Access 15-minute walk or jog from Shin-Koshigaya Station ■Crowdedness/Lockers About 15 men The locker room, with its high ceilings and tidy design, feels like a high school baseball clubroom. The lockers look like they'd dent if you slammed them. ■Hot Spring/Price Sodium Chloride Bicarbonate Spring / ¥830 •Water Temperature: 36.0°C •Flow Rate: Approximately 300 liters (Power Pump) •pH: 8.2 •Total Dissolved Substances: 2231g This sodium-based hot spring offers warming and moisturizing benefits. It also contains approximately 110g of metasilicic acid, which is said to have skin-beautifying effects. The indoor bath creates a mirage of steam. The open-air bath is large enough to accommodate approximately 10 adults. The water is black, a typical moor spring, smooth to the touch, and unscented. It's 42°C (104°F). The hot spring itself is fine, but the rest of the bath, especially the wash area, is terrible. There's a leak, the glass is cracked, the shower doesn't work... Oh well, the hot spring feels good, so let's just overlook that... ■Amenities Shampoo/Body Soap: Provided Hair Dryer: Provided (Free) Lotion, etc.: Not Provided Other: Not Provided ■Overall When traveling to the countryside, there are hot springs known as "hinabita onsen," which are old and rundown but have a certain charm. This one has a "hinabita super sento" feel, so old and rundown, it feels like it might go out of business! It feels like it's on the verge of going out of business. I'm not sure if I'm getting the Harry Potter reference here, but I feel like Moaning Myrtle might pop out of the bath at night.
First, there's the Showa-era bathhouse-style wooden shoe lockers. There's a ticket machine, and a rental set with no-fuss service that includes a face towel and bath towel is available for 1,000 yen. Leave your ticket and wooden shoe locker tag at the reception. Men's and women's sections are on the first and second floors, which alternate depending on the day. The changing lockers are free and use a rubber string key. There's a water dispenser at the entrance to the bathhouse. There's a bubble bath, an electric bath, a high-temperature sauna with a TV, and a salt sauna. The open-air bath features a jet-black alkaline spring that leaves your skin feeling smooth, as well as an indoor jet bath. It's a little old-fashioned, but I think it's one of Saitama Prefecture's best day-trip hot springs. The nearest stations are Shin-Koshigaya and Minami-Koshigaya, but they're quite far apart, and the city's complicated layout makes it a bit difficult to walk.
On the day I visited, the sign and neon lights were gone, so it may be difficult for first-time visitors to enter. Although natural hot springs are gushing out, I think it would be more comfortable if they raised the price a little more and used the money to invest in repairs. The bathroom equipment is also broken in places. The atmosphere inside the facility has a local Showa-era feel that is very relaxing.
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