Tham Le Stegodon is a limestone cave that is outstanding in terms of geology since it is a stream cave with a length of no less than 4 kilometers. There are still formations of stalactites and stalagmites in many beautiful and strange shapes, which are stalactite tube, plastered limestone, and stalactite curtain, etc. It is considered to be a live cave. Many fossils found in the cave are a mandible with molars of 1.8 million year-10,000 years of Stegodon, a jaw of Elephas, ancient rhino, and dear horn, etc. It is considered to be an outstanding geological features and fossils.