Hirayu no Mori (hotel & hot spring)

20251229 - located 3 min walk from bus stop. Offers stay and also onsen for day trippers. Has fast free wifi. Got ticket for 600 yen after 100 yen discount with 3 day Okuhida Marugoto Value Ticket. Place is huge and can accomodate many guests with the indoor and outdoor hot springs they have. You can get big towel for 500 yen at entrance. Went to the outdoor onsen during nice cold winter weather. However the water was not as hot as i prefer, hence one can stay in the water for very long. Overall still a nice place to enjoy onsen with nice nature view.

This is one of the best places for the price in Hirayu Onsen. There are more than 10 open-air baths, all with continuously flowing water, so they are always clean. It was great that the hot springs are available anytime, even late at night. I would definitely stay here again if I visit Hirayu in the future.

Good Onsen. Many outdoor baths with different temperatures. A central indoor one and a sauna. The place has a huge reception with a convenience stores, and big area where you can sit/lay on the floor after/before bathing. Feels more like an onsen center than just a bath. I believe they have some sort of accommodation and food too. They also had massage chairs.

Went only for the onsen. Includes sauna, cold pool, one indoor pool and eight outdoor natural pools.... All for 700yen only but remember to bring your own towel. Also 100yen if you need to use a locker. The outdoor onsen pools were outstanding, and very beautiful.

We stayed in one of the detached houses and it was adorable! We loved our private onsen, but typically had to still use the public ones for a true shower. Our private onsen was very sulfur-y and we would smell stinky. ||Staying in the hotel, we were able to access the private onsens for free which was nice. The public areas were beautiful though, we went in the morning and it was so luxurious with views of the mountain. So highly recommend all of the above! ||The location of the hotel is also perfect for all the buses and it was very easy to navigate. This was a great location to hike in Kamikochi and then relax and enjoy. We loved our stay at this hotel!

We didn’t stay at the hotel, but dropped in to visit the hot spring after camping elsewhere. Prices are very reasonable (¥700 for adults, ¥500 for kids), and the process of buying tickets is smooth enough using the ticket machines next to the counter - a bit of a strange process as you immediately have to take your tickets to the counter anyway. The hot spring itself is natural volcanic water, complete with sulphur making for an eggy odour and numerous health benefits. There are indoor and outdoor baths, outdoor ones being way more comfortable in the summer heat. None of them were too busy to be able to get in.

Best Onsen I've been to so far. Many baths, some lukeworm, some hot and a sauna + cold bath. Beautiful scenery in the begining of automn. Good price

It's a great deal of many things but don't sleep there if you mind the neighbors because it is going to be noisy very noisy, the rooms and flooring it's practically transparent!