Overview halong

Ha Long Bay, located in the Gulf of Tonkin, within Quang Ninh Province, in the northeast of Vietnam, is 165 km from the capital of Ha Noi. Ha Long Bay has an area of around 1,553 km2, including 1,960 - 2,000 islets, most of which are uninhabitated and unaffected by humans, it forms a spectacular seascape of limestone pillars and is an ideal model of a mature Karst landscape developed during a warm and wet tropical climate. The property’s exceptional scenic beauty is complemented by its great biological interest.

The legend of Halong bay

According to local legend, when Vietnam had just started to develop into a country, they had to fight against invaders. To assist the Vietnamese in defending their country, the gods sent a family of dragons as protectors. This family of dragons began spitting out jewels and jade. These jewels turned into the islands and islets dotting the bay, linking together to form a great wall against the invaders. Under magics, numerous rock mountains abruptly appeared on the sea, ahead of invaders' ships; the forward ships struck the rocks and each other. After winning the battle, the dragons were interested in peaceful sightseeing of the Earth, and then decided to live in this bay. The place where the mother dragon descended was named Hạ Long, the place where the dragon's children attended upon their mother was called Bái Tử Long island (Bái: attend upon, Tử: children, Long: dragon), and the place where the dragon's children wriggled their tails violently was called Bạch Long Vỹ island (Bạch: white-color of the foam made when Dragon's children wriggled, Long: dragon, Vỹ: tail), present day Trà Cổ peninsula, Móng Cái.

Halong bay weather

Halong weather is typical for tropical coastal climate, which has two main seasons all year around. From April to September, it is often hot and humid; from October to March the weather is dry with some cold months.
The average temperature of Halong Bay is 23.7 degree Celsius.
It is possible to visit Ha Long Bay year-round. The best time of year to visit Halong Bay is during the spring or fall, especially from March to May with constant sunshine.


- In 1962, the Vietnam Ministry of Culture, Sport and Tourism designated Hạ Long Bay a 'Renowned National Landscape Monument'.
- Hạ Long Bay was first listed as a UNESCO World Heritage Site in 1994, in recognition of its outstanding, universal aesthetic value. In 2000 the World Heritage Committee additionally recognised Hạ Long Bay for its outstanding geological and geomorphological value and its World Heritage Listing was updated.
- In October 2011, World Monuments Fund included the bay on the 2012 World Monuments Watch, citing tourism pressures and associated development as threats to the site that must be addressed. The goal of Watch-listing is to promote strategies of responsible heritage-driven development for a sustainable future.
- In 2012, New 7 Wonders Foundation officially named Halong Bay as one of New Seven Natural Wonders of the world.
- Hạ Long Bay is also a member of the Club of the Most Beautiful Bays of the World



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