Castello di Mesocco

Mesocco itself is one of the largest castle complexes in Switzerland. In addition to various ruins located on the slopes outside the town, there are excellent intact remains of the castle and the Romanesque church of Santa Maria. It's worth a visit slowly.

Castle of Mesocco
The ruins of the Castello di Mesocco are located at 752 m above sea level. M. on a mighty rock south of the village of Mesocco in Misox in the canton of Graubünden in Switzerland. Mesocco is one of the largest castle complexes in Switzerland and was the stately center of the valley from the beginning of the 13th century until 1526. At the foot of the castle hill stands the Romanesque church of Santa Maria del Castello, also first mentioned in 1219.
The complex consists of four main parts: the outer bailey in the northeast, the main castle on the rocky plateau, the core castle “Rocca” within the main castle and the church of San Carpoforo.
Text/Source: Wikipedia
de.wikipedia.org/wiki/Castello_di_Mesocco

Castle complex worth seeing.
More information: de.wikipedia.org/wiki/Castello_di_Mesocco