The Cave Without a Name is a limestone solutional cave in the Texas Hill Country region of central Texas. It is a National Natural Landmark.The cave is located 50 miles (80 km) from downtown San Antonio, and 11 miles northeast of Boerne off FM 474 and Kreutzberg Road. It has been commercially operated as a show cave and open for public tours since 1939. It is a member of the National Cave Association.