This limestone island has a maximum altitude of 107 meters.

For its size, the tiny rock and limestone island puts on an inordinate number of festivals throughout the year, but particularly in summer.

Another specific feature of Halong Bay is the abundance of lakes inside the limestone islands.

We had come to Phang Nga to visit the limestone islands that rear in their hundreds from the bay.

Bobbing on the emerald waters of Halong Bay and moving through its 3000-odd limestone islands is simply sublime.

As on similar limestone islands, the fresh rain water soaks down through the porous lime and floats above the salty ground-water.

The old town, instead, is located on a limestone island, linked to the mainland by a bridge built in the 16th century.

Over the centuries the tides have eaten away at the bases of these limestone islands, giving them a distinctive, mushroom-like appearance.

Matakohe Island, a large limestone island located in the Harbour.

It is a low, dry, coral limestone island with a steep beach backed by a 6-8 meter high bank composed of large coral fragments.