Later it was expanded by the Normans and was a hunter mansion for Frederick II of Hohenstaufen and a summer residence for the Angevine kings of Naples.
Castel Lagopesole, or simply Lagopesole, is a civil parish (frazione) of the municipality (comune) of Avigliano, in Basilicata, southern Italy.
Sismano lies 13 km from Todi and 5 km from Avigliano; according to the Italian state census of 2001, Sismano has 17 inhabitants in the densely built historic center and 308 in all.