Visite Truffes et Porcs Noirs in Issac highlights Visit truffles and black pigs: Discover the breeding of Gascon black pigs and truffle production with tasting. Price: 12.50 €/pers, 6.50 €/child yrs. Res: 06 83 38 51 71. Ferme de la Massinie. The address in Issac matters because gastronomy here is presented through products, cellar work, table service or direct tasting. It gives readers a clear sense of the local flavor behind the event. Across the series, the food culture remains tied to Issac’s products, table habits and local hospitality.