# Haimenkou Site, China: what it is and when to go > Haimenkou Site is an archaeological site (海门口遗址) in China. Interests: History. The best time to visit is March to May and September to October. In June there are 13 h 39 of daylight, and in December, 10 h 21. It has articles in 2 Wikipedias, so it is not one of the busiest places in China: 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/china/haimenkou-ruins/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** Archaeological site · History - **Local name:** 海门口遗址 - **Where:** China - **Best time:** March to May and September to October. - **Nearest airport:** CTU Chengdu (Shuangliu), 602 km as the crow flies - **Coordinates:** 26.46961, 99.91956 ## What it is and where Haimenkou Site is an archaeological site (海门口遗址) in China. It has articles in 2 Wikipedias, so it is not one of the busiest places in China: one to enjoy at a calmer pace. Its coordinates are 26.46961, 99.91956; the nearest main airport is Chengdu Shuangliu International Airport (CTU, Chengdu (Shuangliu)), 602 km as the crow flies. How to get around China (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/china/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=26.469611%2C99.919556) - [Directions](https://www.google.com/maps/dir/?api=1&destination=26.469611%2C99.919556) It is one of the [History](https://kokai.app/en/paises/asia/china/historia/) places in China. 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 Haimenkou Site is **March to May and September to October**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 10 h 31 | | February | Possible | 11 h 06 | | March | Best time | 11 h 49 | | April | Best time | 12 h 38 | | May | Best time | 13 h 18 | | June | Possible | 13 h 39 | | July | Possible | 13 h 31 | | August | Possible | 12 h 56 | | September | Best time | 12 h 09 | | October | Best time | 11 h 21 | | November | Possible | 10 h 40 | | December | Possible | 10 h 21 | In June there are 13 h 39 of daylight, and in December, 10 h 21. 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 China in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/china/#cuando-ir). ## Before you go to China To enter China there are 9 things to sort out before you leave, starting with “Passport valid for six months”: they are all, with their deadlines, in [the China checklist](https://kokai.app/en/paises/asia/china/#antes-de-salir). Currency: Yuan or renminbi (CNY); plugs: Type A, C and I · 220 V · 50 Hz (you need an adapter); emergencies: 110 police · 120 ambulance · 119 fire brigade. 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 - [Xingjiao Temple](https://kokai.app/en/paises/asia/china/xingjiao-temple/): Building in Jianchuan County, China · 18 km - [Zhiyun Temple](https://kokai.app/en/paises/asia/china/zhiyun-temple/): Monastery · 47 km - [Wangu Pavilion](https://kokai.app/en/paises/asia/china/wangu-tower/): Wooden pavilion in China · 55 km - [Mu Mansion](https://kokai.app/en/paises/asia/china/mu-s-mansion/): Nature · History · 55 km - [Lijiang Museum](https://kokai.app/en/paises/asia/china/museum-of-dongba-culture/): Museum · 56 km Distances are as the crow flies. Everything else is in [the China guide](https://kokai.app/en/paises/asia/china/). ## More in China: History - [Forbidden City](https://kokai.app/en/paises/asia/china/ciudad-prohibida/): Chinese imperial palace in Beijing - [Terracotta Army](https://kokai.app/en/paises/asia/china/guerreros-de-terracota/): collection of ancient Chinese military statues - [Potala Palace](https://kokai.app/en/paises/asia/china/potala-palace/): 7th-century Tibetan fortress and palace in Lhasa, rebuilt in the 17th century as the winter seat of the Dalai Lamas - [Tiananmen Square](https://kokai.app/en/paises/asia/china/plaza-de-tiananmen/): public square in Beijing, China - [Temple of Heaven](https://kokai.app/en/paises/asia/china/templo-del-cielo/): imperial complex of religious buildings in Beijing, China - [Mogao Caves](https://kokai.app/en/paises/asia/china/mogao-caves/): caves in Dunhuang City, Gansu, China Every China place under History, each with its season, is on [its page](https://kokai.app/en/paises/asia/china/historia/). ## Frequently asked questions ### What is Haimenkou Site? It is an archaeological site (海门口遗址 in the local language) in China. It has articles in 2 Wikipedias, so it is not one of the busiest places in China: one to enjoy at a calmer pace. ### When is the best time to visit Haimenkou Site? March to May and September to October. In June there are 13 h 39 of daylight, and in December, 10 h 21. ### How do you get to Haimenkou Site? The nearest main airport is Chengdu Shuangliu International Airport (CTU), 602 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=26.469611%2C99.919556) opens the route on the map, and how to get around China is explained in [its country guide](https://kokai.app/en/paises/asia/china/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the China 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 [Xingjiao Temple](https://kokai.app/en/paises/asia/china/xingjiao-temple/), [Zhiyun Temple](https://kokai.app/en/paises/asia/china/zhiyun-temple/), [Wangu Pavilion](https://kokai.app/en/paises/asia/china/wangu-tower/). The rest is in [the China guide](https://kokai.app/en/paises/asia/china/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/503533442), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q67932718), CC0. More about Haimenkou Site on [Wikipedia](https://zh.wikipedia.org/wiki/%E6%B5%B7%E9%97%A8%E5%8F%A3%E9%81%97%E5%9D%80). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).