Ginestar Main Festival Activity · Ginestar, Ribera d'Ebre, Tarragona Image of Ginestar, not of the place itself. Main festival of Ginestar, in the Ribera d'Ebre comarca (Tarragona). It is consecrated to Sant Martí and is celebrated on the second Sunday of November. The municipality also celebrates the feast of Sant Isidre, on 15 May, with a fellowship meal at the hermitage dedicated to this saint. Photo: flamenc (CC BY-SA 3.0) What to see and do in Ginestar