# King Chu Cavern, Vietnam: what it is and when to go > King Chu Cavern is a cave (Động Kính Chủ) in Vietnam. Interests: Nature. The best time to visit is February to April and October to November. In June there are 13 h 16 of daylight, and in December, 10 h 44. 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/vietnam/king-chu-cavern/ - Reviewed on: 2026-10-08 - Language: en ## In a nutshell - **What it is:** Cave · Nature - **Local name:** Động Kính Chủ - **Where:** Vietnam - **Best time:** February to April and October to November. - **Nearest airport:** HPH Haiphong (Hai An), 33 km as the crow flies - **Coordinates:** 21.03201, 106.50806 ## What it is and where King Chu Cavern is a cave (Động Kính Chủ) in Vietnam. Its coordinates are 21.03201, 106.50806; the nearest main airport is Cat Bi International Airport (HPH, Haiphong (Hai An)), 33 km as the crow flies. How to get around Vietnam (train, car, bus) is covered in [its country guide](https://kokai.app/en/paises/asia/vietnam/#moverse). - [Where it is](https://www.google.com/maps/search/?api=1&query=21.032009%2C106.508062) - [Directions](https://www.google.com/maps/dir/?api=1&destination=21.032009%2C106.508062) It is one of the [Nature](https://kokai.app/en/paises/asia/vietnam/naturaleza/) places in Vietnam. 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 King Chu Cavern is **February to April and October to November**. | Mes | Época | Hours of daylight | | --- | --- | --- | | January | Possible | 10 h 51 | | February | Best time | 11 h 18 | | March | Best time | 11 h 51 | | April | Best time | 12 h 29 | | May | Possible | 13 h | | June | Possible | 13 h 16 | | July | Possible | 13 h 10 | | August | Possible | 12 h 43 | | September | Possible | 12 h 07 | | October | Best time | 11 h 30 | | November | Best time | 10 h 59 | | December | Possible | 10 h 44 | In June there are 13 h 16 of daylight, and in December, 10 h 44. 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 Vietnam in general, with its festivals and peak seasons, is in [its country guide](https://kokai.app/en/paises/asia/vietnam/#cuando-ir). ## Before you go to Vietnam To enter Vietnam 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 Vietnam checklist](https://kokai.app/en/paises/asia/vietnam/#antes-de-salir). Currency: Vietnamese dong (VND); plugs: Type A, C and F · 220 V · 50 Hz (the Spanish two-pin plug usually works); emergencies: 113 police · 115 ambulance · 114 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 - [xóm đồng đáy,cổ pháp,nam sách,hải dương](https://kokai.app/en/paises/asia/vietnam/xom-dong-day-co-phap-nam-sach-hai-duong/): Hiking · 14 km - [Con Son Pagoda](https://kokai.app/en/paises/asia/vietnam/con-son-pagoda/): Tower · 19 km - [Thanh Mai pagoda](https://kokai.app/en/paises/asia/vietnam/thanh-mai-pagoda/): Tower · 21 km - [Pha Lai Bridge](https://kokai.app/en/paises/asia/vietnam/pha-lai-bridge/): Bridge in Vietnam · 24 km - [Bính Bridge](https://kokai.app/en/paises/asia/vietnam/cau-binh/): Bridge in Vietnam · 24 km Distances are as the crow flies. Everything else is in [the Vietnam guide](https://kokai.app/en/paises/asia/vietnam/). ## More in Vietnam: Nature - [Phong Nha–Kẻ Bàng National Park](https://kokai.app/en/paises/asia/vietnam/parque-nacional-phong-nha-ke-bang/): national park in Vietnam - [Hang Sơn Đoòng](https://kokai.app/en/paises/asia/vietnam/son-doong-cave/): Largest cave passage in the world, located near the Laos-Vietnam border - [Hạ Long Bay](https://kokai.app/en/paises/asia/vietnam/bahia-de-ha-long/): UNESCO World Heritage Site in Vietnam - [Fansipan](https://kokai.app/en/paises/asia/vietnam/fansipan/): mountain in Vietnam - [Cát Tiên National Park](https://kokai.app/en/paises/asia/vietnam/parque-nacional-cat-tien/): national park in Vietnam - [Ba Bể National Park](https://kokai.app/en/paises/asia/vietnam/ba-be-national-park/): reserve in Thái Nguyên Province, Northeast region of Vietnam Every Vietnam place under Nature, each with its season, is on [its page](https://kokai.app/en/paises/asia/vietnam/naturaleza/). ## Frequently asked questions ### What is King Chu Cavern? It is a cave (Động Kính Chủ in the local language) in Vietnam. ### When is the best time to visit King Chu Cavern? February to April and October to November. In June there are 13 h 16 of daylight, and in December, 10 h 44. ### How do you get to King Chu Cavern? The nearest main airport is Cat Bi International Airport (HPH), 33 km as the crow flies. From there, [directions](https://www.google.com/maps/dir/?api=1&destination=21.032009%2C106.508062) opens the route on the map, and how to get around Vietnam is explained in [its country guide](https://kokai.app/en/paises/asia/vietnam/#moverse). ### How do I add it to my trip? With one tap. In Kokai it is already on the Vietnam 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 [xóm đồng đáy,cổ pháp,nam sách,hải dương](https://kokai.app/en/paises/asia/vietnam/xom-dong-day-co-phap-nam-sach-hai-duong/), [Con Son Pagoda](https://kokai.app/en/paises/asia/vietnam/con-son-pagoda/), [Thanh Mai pagoda](https://kokai.app/en/paises/asia/vietnam/thanh-mai-pagoda/). The rest is in [the Vietnam guide](https://kokai.app/en/paises/asia/vietnam/). Data from [OpenStreetMap](https://www.openstreetmap.org/way/1567975866), licensed under the ODbL, and from [Wikidata](https://www.wikidata.org/wiki/Q10842291), CC0. More about King Chu Cavern on [Wikipedia](https://vi.wikipedia.org/wiki/%C4%90%E1%BB%99ng_K%C3%ADnh_Ch%E1%BB%A7). Daylight hours are calculated from the latitude. More in [credits](https://kokai.app/en/aviso/#creditos).