Montcortés Castle is a castle of Montcortès de Segarra, in the municipality of Plans de Sió, in La Segarra. It is a historical monument declared a cultural asset of national interest. It is located in isolation in the highest part of the hull, on a large cliff and before a small chapel, in the lower part there are the houses that later formed the town.
Route of the castles of the Sió river in La Segarra