The Association in the Hills – Tourism in the heart of Piedmont offers a journey through the art and history of Piedmont to discover small parish churches, abbeys, and Romanesque churches that arose between the 11th and 13th centuries. In order to enhance the heritage of Romanesque churches, InCollina has combined into a single project – the Romanesque Network of the Hills – the Canonica Santa Maria di Vezzolano and the 25 Romanesque abbeys, churches, and parish churches of 22 municipalities between Astigiano and Torinese, which surround it: ( San Pietro), Andezeno ( San Giorgio), Aramengo ( San Giorgio), Berzano di San Pietro ( San Giovanni), Brusasco ( San Pietro), Buttigliera d’Asti ( San Martino), Casalborgone ( San Siro), Castagneto Po ( San Genesio), Castell’Alfero ( Madonna della Neve), Castelnuovo Don Bosco ( Sant’Eusebio), Cavagnolo ( Abbazia di Santa Fede), Cerreto d’Asti ( Sant’Andrea di Casaglio), Cocconato ( Madonna della Neve), Cortazzone ( San Secondo), Marentino (Santa Maria), Mombello di Torino ( San Lorenzo), Montafia ( San Martino e San Giorgio in frazione Bagnasco), Montechiaro d’Asti ( Santi Nazario e Celsio), Montiglio Monferrato ( San Lorenzo e Santi Sebastiano e Fabiano a Scadeluzza), Portacomaro (San Pietro), San Sebastiano da Po (San Pietro), Tigliole (San Lorenzo), Tonengo (San Michele).