The meaning of “Ha Long”, in Vietnamese, Ha means “descend”, and “Long” means “dragon”, so the word HaLong means “where the dragon descends into the sea”.
Wooden Stakes Cave
Among the stalactites of the first hall, scores of gnomes appear to be holding the meeting. The walls of the second chamber sparkle if bright light is shined on them. The cave derives its Vietnamese name from the third of the chambers, which is said to have been used during the 13th century to store the sharp bamboo stakes, which Tran Hung Dao planted in the bed of the Bach Dang River to impale the Kublai Khan’s invasion fleet.