Ha Long Bay

Ha Long Bay is a UNESCO World Heritage Site in Quang Ninh Province in northeastern Vietnam, about 170 km east of Hanoi. Covering about 1,553 sq km with nearly 2,000 limestone karsts and islets rising from emerald waters, it is renowned for its dramatic seascape, extensive cave systems, and biodiversity. Inscribed in 1994 for its outstanding natural beauty and geological value, it is Vietnam's most visited natural attraction.

Visitors explore Ha Long Bay primarily by licensed day cruises or overnight cruises departing from Tuan Chau and Hon Gai ports. Expect emerald water dotted with towering limestone karsts and islets, large caves such as Sung Sot and Dau Go, small beaches, floating fishing villages, and viewpoints like Ti Top Island. Activities are boat-based with stops for cave walks, kayaking, swimming and photography. The landscape is open water with limited land infrastructure.

Ha Long Bay was inscribed as a UNESCO World Heritage Site in 1994 for natural beauty and again in 2000 for geological and geomorphological value. The bay contains archaeological evidence of prehistoric cultures including Soi Nhu (18,000-7,000 years ago), Cai Beo and Ha Long cultures, and has long been important for maritime trade and fishing in the Gulf of Tonkin.

The bay is home to traditional floating fishing villages such as Cua Van, Vung Vieng and Ba Hang where communities have lived on the water for generations, reflecting a distinctive maritime culture. Limestone karsts and caves are associated with local legends, including the name Ha Long meaning 'descending dragon', and the area is a symbol of Vietnamese natural heritage.