# Masanoyu, Japan: what it is and when to go > Masanoyu is a hot spring bath (政之湯) in Japan (Kawasaki, Kanagawa). Interests: Hot springs. The best time to visit is February to May and October to November. In June there are 14 h 23 of daylight, and in December, 9 h 37. 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/masanoyu/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Hot spring bath · Hot springs - **Local name:** 政之湯 - **Where:** Japan · 3 - **Best time:** February to May and October to November. - **Nearest airport:** HND Tokyo, 8.3 km as the crow flies - **Opening hours:** Mo-Su 14:30-01:00 - **Website:** [kawasaki1010.com](https://www.kawasaki1010.com/now/koten/cyubu/masanoyu.htm) - **Coordinates:** 35.52709, 139.6996 ## What it is and where Masanoyu is a hot spring bath (政之湯) in Japan (Kawasaki, Kanagawa). It is in [Kawasaki, Kanagawa](https://kokai.app/en/paises/asia/japon/kawasaki/), where this site lists 42 more places to see, 587 m from the centre. Its coordinates are 35.52709, 139.6996; the nearest main airport is Tokyo Haneda International Airport (HND, Tokyo), 8.3 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=35.527088%2C139.699595) - [Directions](https://www.google.com/maps/dir/?api=1&destination=35.527088%2C139.699595) 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 Masanoyu is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 51 | | February | Best time | 10 h 42 | | March | Best time | 11 h 44 | | April | Best time | 12 h 54 | | May | Best time | 13 h 52 | | June | Possible | 14 h 23 | | July | Possible | 14 h 11 | | August | Possible | 13 h 21 | | September | Possible | 12 h 13 | | October | Best time | 11 h 05 | | November | Best time | 10 h 05 | | December | Possible | 9 h 37 | In June there are 14 h 23 of daylight, and in December, 9 h 37. 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 - [Kawasaki Daishi](https://kokai.app/en/paises/asia/japon/kawasaki-daishi/): Buddhist temple in Kanagawa Prefecture, Japan · 2.8 km - [Nu-Land Sagamiyu](https://kokai.app/en/paises/asia/japon/nu-land-sagamiyu/): Hot spring bath · 3.1 km - [Sōji-ji](https://kokai.app/en/paises/asia/japon/sojiji-temple/): Buddhist temple in Yokohama, Japan · 3.4 km - [Kamata Onsen](https://kokai.app/en/paises/asia/japon/kamata-onsen/): Building in Tokyo, Japan · 3.6 km - [yumemigasaki Zoological park](https://kokai.app/en/paises/asia/japon/yumemigasaki-zoological-park/): With kids · Wildlife · 4.0 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 Masanoyu? It is a hot spring bath (政之湯 in the local language) in Japan. ### When is the best time to visit Masanoyu? February to May and October to November. In June there are 14 h 23 of daylight, and in December, 9 h 37. ### How do you get to Masanoyu? The nearest main airport is Tokyo Haneda International Airport (HND), 8.3 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=35.527088%2C139.699595) 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 [Kawasaki Daishi](https://kokai.app/en/paises/asia/japon/kawasaki-daishi/), [Nu-Land Sagamiyu](https://kokai.app/en/paises/asia/japon/nu-land-sagamiyu/), [Sōji-ji](https://kokai.app/en/paises/asia/japon/sojiji-temple/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/5615860222), 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).