Blanchard Springs Caverns is a cave system located in the Ozark National Forest in northern Arkansas. Blanchard Springs Caverns is a three-level cave system, two of which are open for guided tours.The Dripstone trails runs through an underground fantasy in the upper level of the caverns. The Discovery Trail on the second level opened in 1977.The Discovery trails runs thorugh the middle of the cavern. The temperature is a constant, year-round 58 °F (14 °C).The limestone rock from which the caves and their formations developed was laid down in an ancient sea more than 350 million years ago. It remains a "living" cave in part because of the care given by visitors and the U.S. Forest Service. Living caves are ones in which slow metamorphosis due to minerals deposited by seeping and dripping water is still in process. 

History In 1955, explorers discovered an 1000-year-old(Native American) human skeleton in the cave. How this explorer entered the cave is a mystery. By the 1930s,residents knew about the caves. The caverns were opened in 1973 after ten years of development on the Dripstone Trail.In the 1930s was the first attempt to explore the insides. The first systematic exploration of the cave began in 1955 and went for five years.Blanchard Springs Caverns is namedafter a former Confederate who lived in the area following rhe Civil War.