Trong Cave

Is opposite to Trinh Nu cave and associated to the legend about Trinh Nu cavee. It is said that once the boy knew that his lover was exiled to a remote island, he was looking for her and came to this area. He saw her but could not approach her. He then used a piece of rock to knock in to the wall of cave so that she could be aware that he is around her. He knocked and knocked until he was exhausted and died there.
     Trong cave is also an archeological remain of Soi Nhu culture dating about 18,000 to 7,000 years ago.