 The fourth principal population centre is the village of Rinco; this also was a commune in its own right until 1916 when it was absorbed by Scandeluzza.Montiglio is home to a castle from the 13th century during the war between the commune of Asti and the marquises of Montferrat, destroyed in 1305 and rebuilt with tunnels in the 14th century.The castle's park houses the Chapel of St. Andrew, with the largest cycle of 14th-century frescoes in Piedmont.