Carob of the Camp de Tarragona Food and drink · Vespella de Gaià, Tarragonès, Tarragona Image of Vespella de Gaià, not of the place itself. The carob tree shares the dry lands of the comarca with the almond and the olive. Its fruit has been used as fodder and as a substitute for cocoa, and today it is being recovered in flours and sweets made with the carob gathered on the margins of the Gaià. Photo: Enric (CC BY-SA 4.0) What to see and do in Vespella de Gaià