Explore the Sura Mare Cave on a private full-day caving tour from Targu-Mures. Located within Gradistea Muncelului National Park in the Sureanu Mountains, the 7-mile (11-km) long cave system features spectacular rock formations, underground rivers and waterfalls, and several bat colonies. You must have a good level of fitness for this tour, but technical experience is not necessary. Expect to spend about five hours in the cave, with your expert guide providing instruction and informative commentary. Includes all caving equipment, and round-trip transportation from your hotel.