Black truffle of the Monegros plains Food and drink · Bujaraloz, Los Monegros, Huesca Tuber melanosporum is harvested in winter in holm oak woods and in truffle plantations established in recent decades around Bujaraloz. Aragon is the leading producing region in Spain and the truffle has been incorporated into the menus of the comarca. Photo: Diego Delso (CC BY-SA 3.0) What to see and do in Bujaraloz