# Yuu crater, Japan: what it is and when to go > Yuu crater is a volcano (有くん火口) in Japan (Muroran). Interests: Nature. The best time to visit is April to May and October. In June there are 15 h 06 of daylight, and in December, 8 h 53. 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/yuu-crater/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Volcano · Nature - **Local name:** 有くん火口 - **Where:** Japan - **Best time:** April to May and October. - **Nearest airport:** CTS Sapporo, 76 km as the crow flies - **Coordinates:** 42.55749, 140.81203 ## What it is and where Yuu crater is a volcano (有くん火口) in Japan (Muroran). It is in [Muroran](https://kokai.app/en/paises/asia/japon/muroran/), where this site lists 39 more places to see, 27 km from the centre. Its coordinates are 42.55749, 140.81203; the nearest main airport is New Chitose Airport (CTS, Sapporo), 76 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=42.557492%2C140.81203) - [Directions](https://www.google.com/maps/dir/?api=1&destination=42.557492%2C140.81203) It is one of the [Nature](https://kokai.app/en/paises/asia/japon/naturaleza/) 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 Yuu crater is **April to May and October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 13 | | February | Possible | 10 h 20 | | March | Possible | 11 h 39 | | April | Best time | 13 h 10 | | May | Best time | 14 h 26 | | June | Possible | 15 h 06 | | July | Possible | 14 h 50 | | August | Possible | 13 h 44 | | September | Possible | 12 h 16 | | October | Best time | 10 h 49 | | November | Possible | 9 h 31 | | December | Possible | 8 h 53 | In June there are 15 h 06 of daylight, and in December, 8 h 53. 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 - [Tama crater](https://kokai.app/en/paises/asia/japon/tama-crater/): Volcano · 267 m - [Volcano Science Museum](https://kokai.app/en/paises/asia/japon/volcano-science-museum/): Museum · 772 m - [Hand Bath for a Healthy Diet](https://kokai.app/en/paises/asia/japon/hand-bath-for-a-healthy-diet/): Hot spring bath · 918 m - [Hand Bath of Yakushi-Nyorai (Buddha of Healing)](https://kokai.app/en/paises/asia/japon/hand-bath-of-yakushi-nyorai-buddha-of-healing/): Hot spring bath · 999 m - [Public Feet Natural Onsen (Toron)](https://kokai.app/en/paises/asia/japon/public-feet-natural-onsen-toron/): Hot spring bath · 1.1 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: Nature - [Mount Fuji](https://kokai.app/en/paises/asia/japon/monte-fuji/): volcano in Yamanashi and Shizuoka Prefectures, Japan - [Itsukushima Shrine](https://kokai.app/en/paises/asia/japon/santuario-itsukushima/): Shinto shrine in Hiroshima Prefecture, Japan - [Tokyo Bay](https://kokai.app/en/paises/asia/japon/bahia-de-tokio/): bay in Japan - [Mount Asama](https://kokai.app/en/paises/asia/japon/asama/): volcano on the border of Gunma and Nagano prefectures in Japan - [Sakurajima](https://kokai.app/en/paises/asia/japon/sakurajima/): volcano and island located in Kagoshima prefecture, Japan - [Mount Aso](https://kokai.app/en/paises/asia/japon/monte-aso/): volcano in Kumamoto Prefecture, Japan Every Japan place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/naturaleza/). ## Frequently asked questions ### What is Yuu crater? It is a volcano (有くん火口 in the local language) in Japan. ### When is the best time to visit Yuu crater? April to May and October. In June there are 15 h 06 of daylight, and in December, 8 h 53. ### How do you get to Yuu crater? The nearest main airport is New Chitose Airport (CTS), 76 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=42.557492%2C140.81203) 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 [Tama crater](https://kokai.app/en/paises/asia/japon/tama-crater/), [Volcano Science Museum](https://kokai.app/en/paises/asia/japon/volcano-science-museum/), [Hand Bath for a Healthy Diet](https://kokai.app/en/paises/asia/japon/hand-bath-for-a-healthy-diet/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/3079995336), 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).