Halong landscapes
The islands in Ha Long Bay are mainly limestone and schist islands most lying in the two main areas: the southeastern part of Bai Tu Long Bay and southwestern part of Ha Long Bay. These islands represent the most ancient images of a geographical site having a tectonic age of from 250 million to 280 million years.

Bai Tu Long bay
Bai Tu Long Bay, a long strip of islands which was created when the
entire limestone plateau sank below sea level, socalled the submerged
dragon boasting 3000 craggy and towering islets, is magnificient by its
own way. It is a source of inspiration and ancient legends, some of
which dating back to the thousands of years which tells a story of a
dragon descended into the deep water spitting out gems as he did so.

Islets
The islands in Ha Long Bay are mainly limestone and schist islands most lying in the two main areas: the southeastern part of Bai Tu Long Bay and southwestern part of Ha Long Bay. These islands represent the most ancient images of a geographical site having a tectonic age of from 250 million to 280 million years.

Caves
Most of the islands on Ha Long Bay are limestone and were formed over 500 million years ago, and are massed in the southeast and southwest. The schist islands scattered in the southeast have an average height of between 50-200m, and have a rich covering of flora.

Beaches
Ha Long Bay is northern Vietnam's biggest attraction, one of the most magnificent natural splendors of the Far East. "Ha Long" means "Where the Dragon Descends into the Sea."