It is a circuit along the walls of the fortress with beautiful views of the Vltava valley, Prague Castle, Petřín Hill with an observation tower, and the skyscrapers of Pankrác. In the center of the fortress lies the Peter and Paul Cathedral with the adjacent cemetery, where famous Czech personalities are buried. The length of the circuit is 1.7 km, the surface is cobblestone, there are stairs at two places along the route.
