The quickest route

is via Cornellà del Terri

Leave the C66 at the exit for Banyoles Sud, at the roundabout take the 4th exit marked Pont Xetmar, carrer L. There are two more roundbouts. At the next take the 2nd exit and then at the last roundbout take the third exit, after 1'5 km. take the right-hand fork in the roud marked Banyoles and 300 m. on the left is La Torre.