Casanova di Neri Cerretalto is a single-vineyard Brunello di Montalcino, representing the pinnacle of Neri's production from some of the winery's best vines. Cerretalto is an old vineyard in a natural amphitheater over the Asso River east of Montalcino, and its wines are among the best the Brunello di Montalcino denomination has to offer.