Casola Valsenio is a comune (municipality) in the Province of Ravenna in the Italian region Emilia-Romagna, located about 60 kilometres (37 mi) southeast of Bologna and about 60 kilometres (37 mi) southwest of Ravenna.
The village was founded in 1216 after the destruction of the Casola castle by the troops of Faenza. Later it was a possession of the Pagani, Visconti, Manfredi, Riario families and of Cesare Borgia.
- Vena del Gesso Romagnola ("Romagna's Chalk Seam"), a rocky dorsal which cuts transversally the valley coming down from the Apennine Mountains.
- Villa il Cardello
- Watch Tower
- Chiesa di Sopra ("Upper Church")
- Monte Battaglia, a mountain topped by a medieval tower
- Abbey of Valsenio