# Sannai-Maruyama Site, Japan: what it is and when to go > Sannai-Maruyama Site is a Jōmon period archaeological site and museum (三内丸山遺跡) in Japan (Aomori). Interests: History. The best time to visit is February to May and October to November. In June there are 14 h 55 of daylight, and in December, 9 h 05. It has articles in 13 Wikipedias, 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/sannai-maruyama-archaeological-site/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Jōmon period archaeological site and museum · History - **Local name:** 三内丸山遺跡 - **Where:** Japan - **Best time:** February to May and October to November. - **Nearest airport:** CTS Sapporo, 234 km as the crow flies - **Coordinates:** 40.81104, 140.69776 ## What it is and where Sannai-Maruyama Site is a Jōmon period archaeological site and museum (三内丸山遺跡) in Japan (Aomori). It has articles in 13 Wikipedias, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace. It is in [Aomori](https://kokai.app/en/paises/asia/japon/aomori/), where this site lists 28 more places to see, 1.9 km from the centre. Its coordinates are 40.81104, 140.69776; the nearest main airport is New Chitose Airport (CTS, Sapporo), 234 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=40.811035%2C140.697764) - [Directions](https://www.google.com/maps/dir/?api=1&destination=40.811035%2C140.697764) It is one of the [History](https://kokai.app/en/paises/asia/japon/historia/) 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 Sannai-Maruyama Site is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 23 | | February | Best time | 10 h 26 | | March | Best time | 11 h 41 | | April | Best time | 13 h 06 | | May | Best time | 14 h 17 | | June | Possible | 14 h 55 | | July | Possible | 14 h 39 | | August | Possible | 13 h 38 | | September | Possible | 12 h 15 | | October | Best time | 10 h 53 | | November | Best time | 9 h 40 | | December | Possible | 9 h 05 | In June there are 14 h 55 of daylight, and in December, 9 h 05. 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 - [Aomori Museum of Art](https://kokai.app/en/paises/asia/japon/aomori-prefectural-museum/): Art museum in Aomori Prefecture, Japan · 493 m - [Aomori City Forestry Museum](https://kokai.app/en/paises/asia/japon/aomori-city-forestry-museum/): Museum in Aomori, Japan · 3.3 km - [Nebuta Museum Wa Rasse](https://kokai.app/en/paises/asia/japon/nebuta-museum-wa-rasse/): Museum in Aomori, Japan · 3.8 km - [Aomori Bay Bridge](https://kokai.app/en/paises/asia/japon/aomori-bay-bridge/): Bridge in Japan · 4.0 km - [Mt. Hakkōda Snow March Memorial Museum](https://kokai.app/en/paises/asia/japon/hakkoda-mountain-snow-marching-victims-museum/): Museum · 8.3 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: History - [Mount Fuji](https://kokai.app/en/paises/asia/japon/monte-fuji/): volcano in Yamanashi and Shizuoka Prefectures, Japan - [Kiyomizu-dera](https://kokai.app/en/paises/asia/japon/kiyomizu-dera/): Buddhist temple in Higashiyama-ku, Kyoto - [Himeji Castle](https://kokai.app/en/paises/asia/japon/himeji-2/): Japanese castle complex - [Hiroshima Peace Memorial](https://kokai.app/en/paises/asia/japon/cupula-de-genbaku/): architectural structure - [Itsukushima Shrine](https://kokai.app/en/paises/asia/japon/santuario-itsukushima/): Shinto shrine in Hiroshima Prefecture, Japan - [Kinkaku-ji](https://kokai.app/en/paises/asia/japon/kinkaku-ji/): Zen Buddhist temple in Kyoto, Japan Every Japan place under History, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/historia/). ## Frequently asked questions ### What is Sannai-Maruyama Site? It is a Jōmon period archaeological site and museum (三内丸山遺跡 in the local language) in Japan. It has articles in 13 Wikipedias, 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 Sannai-Maruyama Site? February to May and October to November. In June there are 14 h 55 of daylight, and in December, 9 h 05. ### How do you get to Sannai-Maruyama Site? The nearest main airport is New Chitose Airport (CTS), 234 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=40.811035%2C140.697764) 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 [Aomori Museum of Art](https://kokai.app/en/paises/asia/japon/aomori-prefectural-museum/), [Aomori City Forestry Museum](https://kokai.app/en/paises/asia/japon/aomori-city-forestry-museum/), [Nebuta Museum Wa Rasse](https://kokai.app/en/paises/asia/japon/nebuta-museum-wa-rasse/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/651501082), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q911970), CC0. More about Sannai-Maruyama Site on [Wikipedia](https://ja.wikipedia.org/wiki/%E4%B8%89%E5%86%85%E4%B8%B8%E5%B1%B1%E9%81%BA%E8%B7%A1). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).