Mon. It is one of the largest cave systems in Cuba, it is located on the southern flank of the Sierra del Rosario, in a place known as Rancho Mundito, in the San Cristobal municipality, at 22º 44'13 North latitude and 83º 14 '20 West longitude, Artemisa province., Local monument category. Type: Natural and archaeological site. It is characterized by presenting a relief of complexly flawed and folded low-lying mountains, where erosive and karst denudative processes have joined to form a relief and hydrogeology markedly influenced by geological characteristics. It has very pure and well stratified Jurassic and Cretaceous limestones, as well as the presence in a large part of the cave of a complex network of rivers. The soils are characterized by being karst, with the presence of a semi-deciduous forest. The existing fauna is that of a cavern. Resolution No. 64, date: 09/28/1989.