Riba-roja d'Ebre Main Festival Activity · Riba-roja d'Ebre, Ribera d'Ebre, Tarragona Image of Riba-roja d'Ebre, not of the place itself. The Festa Major of Riba-roja d'Ebre is celebrated in honor of Sant Bartomeu, at the end of August (from the 22nd to the 28th in the 2025 edition), with a week-long program that includes religious events, popular music and activities for all ages next to the Ebro reservoir. Photo: Profrob (CC BY-SA 4.0) What to see and do in Riba-roja d'Ebre