Ha Long Bay Caves

Ha Long Bay has many caves on different islands, one of the biggest cave systems is Hang Sung Sot on Bo Hon island..

A tender will take you to the landing pier for the cave visit.

Hang Sung Sot cave on Bo Hon island was discovered by French explorers in 1901 and they named it “Grotte des surprises-the surprise cave”sin French. The name persists, but now in Vietnamese. The cave system has two chambers and it is outfitted with easy to walk trails and steps, so it is mostly easy walking after you climb up the stairs from the pier to reach the entrance to the caves.

Hang Sung Sot cave harbor with the pier.
Hang Sung Sot cave harbor with the pier.
Tenders carrying visitors to the cave coming into the harbor during a light rain.
Tenders carrying visitors to the cave coming into the harbor during a light rain.
Hang Sung Sot cave sign by the steep staircase leading up to the entrance of the cave.
Hang Sung Sot cave sign by the steep staircase leading up to the entrance of the cave.
Just inside the entrance to the cave system.
Just inside the entrance to the cave system.
The big cave hall.
The big cavernous hall of the first cave is called the waiting room.

The caves are full of both stalactites (extends from the cave ceiling downward) and stalagmites (from the bottom up). There are also formations called flowstone which is a more sheet like formation of calcite and other minerals left when water flows down the walls or on he floor of the cave.

The caves are quite large and they are full of formations of all kinds.
The caves are quite large and they are full of formations such as stalactites from the cave ceiling and stalagmites from the bottom up.
Bubble formations in the cave.
Bubble formations in the cave.
Photo op.
Photo op.
The busy harbor area at the Hang Song Sot cave.
The busy harbor area at the Hang Sung Sot cave.
Pier at the Hang Song Sot cave.
Pier at the Hang Sung Sot cave.
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