# Greenpia Onuma, Japan: what it is and when to go > Greenpia Onuma is a ski resort (グリーンピア大沼) in Japan (Hakodate). Interests: Snow. The best time to visit is February. In June there are 15 h 03 of daylight, and in December, 8 h 57. 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/greenpia-onuma/ - Reviewed on: 2026-10-02 - Language: en ## In a nutshell - **What it is:** Ski resort · Snow - **Local name:** グリーンピア大沼 - **Where:** Japan - **Best time:** February. - **Nearest airport:** CTS Sapporo, 124 km as the crow flies - **Website:** [gp-onuma.com](https://www.gp-onuma.com/ski/) - **Coordinates:** 42.00824, 140.59796 ## What it is and where Greenpia Onuma is a ski resort (グリーンピア大沼) in Japan (Hakodate). It is in [Hakodate](https://kokai.app/en/paises/asia/japon/hakodate/), where this site lists 27 more places to see, 26 km from the centre. Its coordinates are 42.00824, 140.59796; the nearest main airport is New Chitose Airport (CTS, Sapporo), 124 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=42.008245%2C140.597959) - [Directions](https://www.google.com/maps/dir/?api=1&destination=42.008245%2C140.597959) It is one of the [Snow](https://kokai.app/en/paises/asia/japon/nieve/) 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 Greenpia Onuma is **February**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 9 h 16 | | February | Best time | 10 h 22 | | March | Possible | 11 h 40 | | April | Better not | 13 h 09 | | May | Better not | 14 h 23 | | June | Better not | 15 h 03 | | July | Better not | 14 h 46 | | August | Better not | 13 h 42 | | September | Better not | 12 h 16 | | October | Better not | 10 h 50 | | November | Possible | 9 h 34 | | December | Possible | 8 h 57 | In June there are 15 h 03 of daylight, and in December, 8 h 57. 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 - [Ōnuma Quasi-National Park](https://kokai.app/en/paises/asia/japon/onuma-quasi-national-park/): Quasi-national park of Japan · 7.2 km - [Niyama Kogen Ski Area](https://kokai.app/en/paises/asia/japon/niyama-kogen-ski-area/): Ski resort · 8.4 km - [Hokkaido Koma-ga-take](https://kokai.app/en/paises/asia/japon/mt-komagatake/): Volcano in southern Hokkaido, Japan · 9.0 km - [Mori Chomin Ski Area](https://kokai.app/en/paises/asia/japon/mori-chomin-ski-area/): Ski resort · 10 km - [Mt. Sawaratake](https://kokai.app/en/paises/asia/japon/mt-sawaratake/): Volcano · 11 km Distances are as the crow flies. Everything else is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). ## More in Japan: Snow - [Asahi-dake](https://kokai.app/en/paises/asia/japon/mount-asahi-dake/): mountain in Hokkaido, Japan - [Furano Ski Resort](https://kokai.app/en/paises/asia/japon/furano-ski-resort/): Ski Resort in Furano, Hokkaido - [Naeba Ski Resort](https://kokai.app/en/paises/asia/japon/naeba-ski-resort/): ski resort in Japan - [Nozawa Onsen Snow Resort](https://kokai.app/en/paises/asia/japon/nozawa-onsen/): ski resort in Nozawaonsen, Nagano Prefecture, Japan - [Appi Kogen Ski Resort](https://kokai.app/en/paises/asia/japon/appi-kogen-ski-resort/): ski resort in Japan - [Sapporo Teine](https://kokai.app/en/paises/asia/japon/sapporo-teine/): ski resort and amusement park in Teine-ku, Sapporo, Japan Every Japan place under Snow, each with its season, is on [its page](https://kokai.app/en/paises/asia/japon/nieve/). ## Frequently asked questions ### What is Greenpia Onuma? It is a ski resort (グリーンピア大沼 in the local language) in Japan. ### When is the best time to visit Greenpia Onuma? February. In June there are 15 h 03 of daylight, and in December, 8 h 57. ### How do you get to Greenpia Onuma? The nearest main airport is New Chitose Airport (CTS), 124 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=42.008245%2C140.597959) 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 [Ōnuma Quasi-National Park](https://kokai.app/en/paises/asia/japon/onuma-quasi-national-park/), [Niyama Kogen Ski Area](https://kokai.app/en/paises/asia/japon/niyama-kogen-ski-area/), [Hokkaido Koma-ga-take](https://kokai.app/en/paises/asia/japon/mt-komagatake/). The rest is in [the Japan guide](https://kokai.app/en/paises/asia/japon/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/1396132161), 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).