# Yakataishi no Nanatsugama, Japan: what it is and when to go > Yakataishi no Nanatsugama is a sea cave on the coast of Karatsu, Saga, Japan (七ツ釜) (Fukuoka). Interests: Nature and History. The best time to visit is February to May and October to November. In June there are 14 h 13 of daylight, and in December, 9 h 47. It has articles in 2 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/nanatsugama/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Sea cave on the coast of Karatsu, Saga, Japan · Nature, History - **Local name:** 七ツ釜 - **Where:** Japan - **Best time:** February to May and October to November. - **Nearest airport:** FUK Fukuoka, 48 km as the crow flies - **Protection:** Protected heritage - **Coordinates:** 33.54896, 129.93196 ## What it is and where Yakataishi no Nanatsugama is a sea cave on the coast of Karatsu, Saga, Japan (七ツ釜) (Fukuoka). It has articles in 2 Wikipedias, so it is not one of the busiest places in Japan: one to enjoy at a calmer pace. It is in [Fukuoka](https://kokai.app/en/paises/asia/japon/fukuoka/), where this site lists 115 more places to see, 44 km from the centre. Its coordinates are 33.54896, 129.93196; the nearest main airport is Fukuoka Airport (FUK, Fukuoka), 48 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=33.548963%2C129.931958) - [Directions](https://www.google.com/maps/dir/?api=1&destination=33.548963%2C129.931958) - **Protection:** Protected heritage It is one of the [Nature](https://kokai.app/en/paises/asia/japon/naturaleza/) and [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 Yakataishi no Nanatsugama is **February to May and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 10 h | | February | Best time | 10 h 48 | | March | Best time | 11 h 45 | | April | Best time | 12 h 50 | | May | Best time | 13 h 44 | | June | Possible | 14 h 13 | | July | Possible | 14 h 01 | | August | Possible | 13 h 15 | | September | Possible | 12 h 12 | | October | Best time | 11 h 09 | | November | Best time | 10 h 14 | | December | Possible | 9 h 47 | In June there are 14 h 13 of daylight, and in December, 9 h 47. 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. | What you come for | Best time | Possible | | --- | --- | --- | | Nature | April to May and October | November to March and June to September | | History | February to May and October to November | December to January and June to September | It is not the same trip whatever you come for: Yakataishi no Nanatsugama has a different season depending on what you want to do here, and [Kokai](https://kokai.app/en/) puts it in the right month for you. 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 - [Tategami rock](https://kokai.app/en/paises/asia/japon/tategami-rocks/): Nature · 2.8 km - [Nagoya Castle](https://kokai.app/en/paises/asia/japon/nagoya-castle-ruins/): Japanese castle located in Hizen province (now Saga prefecture) · 5.7 km - [Saga Prefectural Nagoya Castle Museum](https://kokai.app/en/paises/asia/japon/saga-prefectural-museum-of-nagoya-castle/): Museum in Karatsu, Saga, Japan · 6.2 km - [Genkai Undersea Observatory Tower](https://kokai.app/en/paises/asia/japon/genkai-undersea-observatory-tower/): With kids · Wildlife · 7.4 km - [Genkaicho Next Generation Energy Park](https://kokai.app/en/paises/asia/japon/genkaicho-next-generation-energy-park/): With kids · 9.0 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: 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 Yakataishi no Nanatsugama? It is a sea cave on the coast of Karatsu, Saga, Japan (七ツ釜 in the local language). It has articles in 2 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 Yakataishi no Nanatsugama? February to May and October to November. In June there are 14 h 13 of daylight, and in December, 9 h 47. ### How do you get to Yakataishi no Nanatsugama? The nearest main airport is Fukuoka Airport (FUK), 48 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=33.548963%2C129.931958) 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 [Tategami rock](https://kokai.app/en/paises/asia/japon/tategami-rocks/), [Nagoya Castle](https://kokai.app/en/paises/asia/japon/nagoya-castle-ruins/), [Saga Prefectural Nagoya Castle Museum](https://kokai.app/en/paises/asia/japon/saga-prefectural-museum-of-nagoya-castle/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/node/5688817086), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q11353344), CC0. More about Yakataishi no Nanatsugama on [Wikipedia](https://ja.wikipedia.org/wiki/%E5%B1%8B%E5%BD%A2%E7%9F%B3%E3%81%AE%E4%B8%83%E3%83%84%E9%87%9C). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).