Huyện đảo Vân Đồn (or Van Don) is an island district, approximately 50
km from Ha Long City. Vân Ðồn, a bustling trade port in the 12th
century with charming Bài Thơ Mountain, and not very far away from here
is the Bạch Đằng River which witnessed two famous naval battles of the
Vietnamese ancestors against invaders. Also, Hạ Long is one of the
cradles of human kind with the glorious Hạ Long culture in the late
Neolithic age, discovered at such archeological sites as Ðộng Mang,
Xích Thổ, Soi Nhụ and Thoi Giếng.
