# Fossa Magna Museum, Japan: what it is and when to go > Fossa Magna Museum is a museum in Itoigawa, Niigata Prefecture, Japan (フォッサマグナミュージアム) (Nagano). Interests: Museums and art. The best time to visit is February to May and October to November. In June there are 14 h 32 of daylight, and in December, 9 h 28. It has an article in one Wikipedia, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace. 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/fossa-magna-museum/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Museum in Itoigawa, Niigata Prefecture, Japan · Museums and art - **Local name:** フォッサマグナミュージアム - **Where:** Japan - **Best time:** February to May and October to November. - **Nearest airport:** HND Tokyo, 238 km as the crow flies - **Coordinates:** 37.02552, 137.87038 ## What it is and where Fossa Magna Museum is a museum in Itoigawa, Niigata Prefecture, Japan (フォッサマグナミュージアム) (Nagano). It has an article in one Wikipedia, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace. It is in [Nagano](https://kokai.app/en/paises/asia/japon/nagano/), where this site lists 211 more places to see, 50 km from the centre. Its coordinates are 37.02552, 137.87038; the nearest main airport is Tokyo Haneda International Airport (HND, Tokyo), 238 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=37.025518%2C137.870379) - [Directions](https://www.google.com/maps/dir/?api=1&destination=37.025518%2C137.870379) It is one of the [Museums and art](https://kokai.app/en/paises/asia/japon/museos/) 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 Fossa Magna Museum is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 43 | | February | Best time | 10 h 38 | | March | Best time | 11 h 43 | | April | Best time | 12 h 57 | | May | Best time | 13 h 59 | | June | Possible | 14 h 32 | | July | Possible | 14 h 18 | | August | Possible | 13 h 25 | | September | Possible | 12 h 13 | | October | Best time | 11 h 01 | | November | Best time | 9 h 59 | | December | Possible | 9 h 28 | In June there are 14 h 32 of daylight, and in December, 9 h 28. 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 - [Zenrin-ji Temple](https://kokai.app/en/paises/asia/japon/zenrinji-temple/): Temples · 3.6 km - [Mount Myojo (Niigata)](https://kokai.app/en/paises/asia/japon/mt-myojo/): Summit · 10 km - [Itoigawa Seaside Valley](https://kokai.app/en/paises/asia/japon/itoigawa-seaside-valley-ski-resort/): Ski resort in Niigata Prefecture, Japan · 11 km - [Hokoga Take](https://kokai.app/en/paises/asia/japon/mt-hokogatake/): Mountain in Japan · 14 km - [Mount Amakazari](https://kokai.app/en/paises/asia/japon/mt-amakazari/): Mountain in Japan · 16 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: Museums and art - [Tokyo National Museum](https://kokai.app/en/paises/asia/japon/museo-nacional-de-tokio/): art museum in Tokyo, Japan - [Matsumoto Castle](https://kokai.app/en/paises/asia/japon/castillo-de-matsumoto/): building in Matsumoto, Nagano Prefecture, Japan - [National Museum of Western Art](https://kokai.app/en/paises/asia/japon/museo-nacional-de-arte-occidental/): art museum in Tokyo, Japan - [Hiroshima Castle](https://kokai.app/en/paises/asia/japon/castillo-de-hiroshima/): Castle - [Kōfuku-ji](https://kokai.app/en/paises/asia/japon/kofuku-ji/): Buddhist temple in Nara Prefecture, Japan - [Ushiku Daibutsu](https://kokai.app/en/paises/asia/japon/ushiku-daibutsu/): statue located in Ushiku, Ibaraki Prefecture, Japan Every Japan place under Museums and art, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/museos/). ## Frequently asked questions ### What is Fossa Magna Museum? It is a museum in Itoigawa, Niigata Prefecture, Japan (フォッサマグナミュージアム in the local language). It has an article in one Wikipedia, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace. ### When is the best time to visit Fossa Magna Museum? February to May and October to November. In June there are 14 h 32 of daylight, and in December, 9 h 28. ### How do you get to Fossa Magna Museum? The nearest main airport is Tokyo Haneda International Airport (HND), 238 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=37.025518%2C137.870379) 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 [Zenrin-ji Temple](https://kokai.app/en/paises/asia/japon/zenrinji-temple/), [Mount Myojo (Niigata)](https://kokai.app/en/paises/asia/japon/mt-myojo/), [Itoigawa Seaside Valley](https://kokai.app/en/paises/asia/japon/itoigawa-seaside-valley-ski-resort/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/4571243203), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q11332823), CC0. Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).