Travelers are voting Inner Space Cavern as the best cave near Austin. There are 1 cave near Bartlett a city just 79 km from Austin and 2 caves near New Braunfels which is 90 km distant. The most popular of these are Inner Space Cavern near Bartlett and Bracken Cave in New Braunfels. You can find 7 caves in Texas and 150 caves in the country of United States. Our members favorite in Texas is Bracken Cave and Mammoth Cave National Park is the top pick in United States. Want more? Check out our map of caves near Austin.