From Halong pier, a boat takes visitors down the line of blue water, starting HaLong Bay cruises. The islands in Ha Long Island, there are two types of limestone and schist islands, concentrated in two main areas are the southeast of Bai Tu Long Bay and southwestern part of Ha Long Bay. This is the oldest image of the terrain tectonic age from 250-280 million years, a result of the campaign raised, lowered repeatedly from a sunken continent ocean. Carxto corrosion process, weathered almost entirely Halong Bay creates a unique world. In a small area, thousands of islands with range greatly, different appearance as the sparkling rubies studded blue chiffon scarf to her maidens.

Densely concentrated zone of stone islands have spectacular scenery and many beautiful caves renowned as a center Natural Heritage Halong Bay, including Ha Long Bay and a part of Bai Tu Long Bay. Regional heritage is recognized around the world with an area of ​​434 km ² consists of 775 islands, such as a triangle with three vertices is the island of Dau Go (to the west), Ba Ham Lake (south) and Cong Tay Island (east). Region is adjacent buffer areas and national heritage by the Ministry of Culture and Information rankings in 1962.

More information about the tour on Halong Bay overnight at website: http://starlightcruises.vn/