# Shioinoyu, Japan: what it is and when to go > Shioinoyu is a hot spring bath in Japan (Matsumoto, Nagano). Interests: Hot springs. The best time to visit is February to May and October to November. In June there are 14 h 27 of daylight, and in December, 9 h 33. Here is what it is, where it lies, when to come, how to get there and what else is nearby to turn it into a trip. - Address: https://kokai.app/en/paises/asia/japon/shioinoyu/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Hot spring bath · Hot springs - **Where:** Japan - **Best time:** February to May and October to November. - **Nearest airport:** HND Tokyo, 181 km as the crow flies - **Opening hours:** Tu-Su 15:00-22:00 - **Price:** ¥500 - **Coordinates:** 36.23648, 137.96796 ## What it is and where Shioinoyu is a hot spring bath in Japan (Matsumoto, Nagano). It is in [Matsumoto, Nagano](https://kokai.app/en/paises/asia/japon/matsumoto/), where this site lists 63 more places to see, 473 m from the centre. Its coordinates are 36.23648, 137.96796; the nearest main airport is Tokyo Haneda International Airport (HND, Tokyo), 181 km as the crow flies. How to get around Japan (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=36.236483%2C137.96796) - [Directions](https://www.google.com/maps/dir/?api=1&destination=36.236483%2C137.96796) It is one of the [Hot springs](https://kokai.app/en/paises/asia/japon/termal/) places in Japan. In [Kokai](https://kokai.app/en/) it is already on your trip map next to the places you save yourself, and it goes into a day's plan with one tap. ## When to go The best time to visit Shioinoyu is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 47 | | February | Best time | 10 h 40 | | March | Best time | 11 h 43 | | April | Best time | 12 h 56 | | May | Best time | 13 h 55 | | June | Possible | 14 h 27 | | July | Possible | 14 h 14 | | August | Possible | 13 h 23 | | September | Possible | 12 h 13 | | October | Best time | 11 h 03 | | November | Best time | 10 h 02 | | December | Possible | 9 h 33 | In June there are 14 h 27 of daylight, and in December, 9 h 33. Daylight hours are calculated from the site's latitude for the 15th of each month; when planning a full day on foot they matter as much as the weather. When to go to Japan in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/japon/#cuando-ir). ## Before you go to Japan To enter Japan there are 10 things to sort out before you leave, starting with “A valid passport covering your whole stay”: they are all, with their deadlines, in [the Japan checklist](https://kokai.app/en/paises/asia/japon/#antes-de-salir). Currency: Japanese yen (JPY); plugs: Type A and B · 100 V · 50/60 Hz (you need an adapter); emergencies: 110 police · 119 ambulance and fire. In [Kokai](https://kokai.app/en/) you tick off the checklist inside your trip, and each item reminds you when it is time to do it. ## What is nearby - [Matsumoto City Museum](https://kokai.app/en/paises/asia/japon/matsumoto-city-museum/): Museum · 164 m - [Matsumoto Castle](https://kokai.app/en/paises/asia/japon/castillo-de-matsumoto/): Building in Matsumoto, Nagano Prefecture, Japan · 258 m - [Kaichi School](https://kokai.app/en/paises/asia/japon/kaichi-school-museum/): Meiji-era pseudo-Western style school building in Matsumoto, Japan; first modern school building designated a National Treasure (2019) · 731 m - [Matsumoto City Museum of Art](https://kokai.app/en/paises/asia/japon/matsumoto-city-museum-of-art/): Museum in Japan · 951 m - [Japan Ukiyo-e Museum](https://kokai.app/en/paises/asia/japon/japan-ukiyo-e-museum/): Art museum in Matsumoto, Nagano, Japan · 3.0 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: Hot springs - [Jigokudani Monkey Park](https://kokai.app/en/paises/asia/japon/jigokudani-monkey-park/): hot springs area with large population of wild snow monkeys - [Dōgo Onsen](https://kokai.app/en/paises/asia/japon/dogo-onsen/): hot spring in the city of Matsuyama, Ehime Prefecture on the island of Shikoku, Japan - [Obusuma Station](https://kokai.app/en/paises/asia/japon/obusuma/): railway station in Yorii, Osato district, Saitama prefecture, Japan - [Hachigata Station](https://kokai.app/en/paises/asia/japon/hachigata/): railway station in Yorii, Osato district, Saitama prefecture, Japan - [Ohanabatake Station](https://kokai.app/en/paises/asia/japon/ohanabatake/): railway station in Chichibu, Saitama prefecture, Japan - [Awazu Onsen](https://kokai.app/en/paises/asia/japon/awazu-onsen-soyu/): building in Ishikawa Prefecture, Japan Every Japan place under Hot springs, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/termal/). ## Frequently asked questions ### What is Shioinoyu? It is a hot spring bath in Japan. ### When is the best time to visit Shioinoyu? February to May and October to November. In June there are 14 h 27 of daylight, and in December, 9 h 33. ### How do you get to Shioinoyu? The nearest main airport is Tokyo Haneda International Airport (HND), 181 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=36.236483%2C137.96796) opens the route on the map, and how to get around Japan is explained in [its country guide](https://kokai.app/en/paises/asia/japon/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Japan map, next to the places you save yourself: add it to a day's plan, give it a time and, if you like, get a reminder when you pass nearby. ### What else is around here? Nearby you have [Matsumoto City Museum](https://kokai.app/en/paises/asia/japon/matsumoto-city-museum/), [Matsumoto Castle](https://kokai.app/en/paises/asia/japon/castillo-de-matsumoto/), [Kaichi School](https://kokai.app/en/paises/asia/japon/kaichi-school-museum/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/4579440246), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).