the village of Rocca San Felice is located on the border between the territories of Salerno and Avellino in Campania. In the 848 King Ludwig, son of the Emperor of Germany Lotario, impose an agreement that provided for the division of the original Principality of Benevento in two: the namesake and Salerno. The boundaries were marked by the river Fredane. To check that the boundary section the prince of Salerno, commissioned the fortresses of Monticchio and guard, while that of Benevento made build the fortresses of S. Angel to peach (Pescone) and Rocca San Felice. In this latter initially inhabited the soldiers and the tower was the residence of the captain. Soon found refuge and protection under the stronghold the peasants who lived at Santa Felicita and Mefite Le Capanne of these farmers, together with the fortress, became the first nucleus of Rocca San Felice.
Worth a visit is the archaeological area of the Valle d'Ansanto, which hosts the Mefite. The Mefite is a pond of origin solfurea situated between the territory of the municipalities of Villamaina, Torella dei Lombardi and Rocca San Felice. This name has its origin from the population of Hirpini that accasatesi, near the lake, asked the Goddess Mefite, venerated by the majority of the populations of southern Italy, wealth and security. It was also dedicated a sanctuary, erected around the VII century B.C. were found near the temple, numerous objects coming from various civilisations including amphorae, terracottas and the altar of the Goddess Mefite, preserved in the Museum of Capodimonte. The pond, instead, is constituted by a water puddle deep not more than two meters to 40 meters of perimeter that simmers away as a result of gas emissions of the subsoil, consisting mainly of carbon dioxide and sulfuric acid. Because of this the surrounding territory is almost devoid of vegetation and animal population, with the exception of a small woody plant rare, the Genista anxantica.