The Transfăgărășan is the second-highest paved road in Romania, and it means the street that crosses the Fagarasi Mountains. Built as a strategic military route, the 90 km of twists and turns run north to south across the tallest sections of the SouthernCarpathians, between the highest peak in the country, Moldoveanu, and the second highest, Negoiu. The road connects the historic regions of Transylvania and Wallachia, and the cities of Sibiu and Pitești. The road was constructed between 1970 and 1974, built mainly with military forces. It came as a response to the 1968 invasion of Czechoslovakia by the Soviet Union.
The road climbs to 2,034 metres altitude. The most spectacular route is from the North. It is a winding road, dotted with steep hairpin turns, long S-curves, and sharp descents. The Transfăgărășan is both an attraction and a challenge for hikers, cyclists, drivers and motorcycle enthusiasts alike. The road also provides access to Bâlea Lake and Bâlea Waterfall. It has more tunnels (a total of 5) and viaducts than any other road in Romania. Near the highest point, at Bâlea Lake, the road passes through Bâlea Tunnel. Among the attractions nearby is the Poienari fortress, castle of Vlad III the Impaler.