Located on Bo Hon Island, which is known as in the center of the UNESCO-declared World Heritage area, Sung Sot Cave is one of the widest and most striking ones with the area of around 10,000 square meters and the length of more than 200 meters. The widest area inside the cave is about 80 meters. Sung Sot Cave is firstly explored by a group of French tourists. Being surprised by the magnificent beauty of the cave, these French tourists named the cave as "Grotte des surprises" – the cave of surprise. From that time, Sung Sot Cave is known as Surprising Cave or Amazing Cave.