Black Chasm Cavern, Natural National Landmark
Visitors to the cave are enchanted by the beauty of a wide variety of formations including stalactites, stalagmites, flowstones and the vast arrays of rare helictite crystals, for which Black Chasm Cavern is justly famous. Above ground, kids love our gemstone mining at our mining flumes right outside the Visitors Center. Everyone is guaranteed to find some real gemstones!
Longhorn Cavern State Park
The park features historical and nature study. Located in the heart of the Highland Lakes, Longhorn Cavern is near Inks Lake State Park which offers camping and lodging.