The Festival des Filets Bleus, the oldest festival in Brittany, celebrates the rich Breton culture and maritime heritage from August 12 to 16, 2026. Held in Concarneau, this notable event features a grand parade with 2000 participants, showcasing Celtic circles and bagadoù. Attendees can enjoy free concerts, including performances by CELKILT and GREEN LADS on the ARMOR STAGE. The festival offers activities for all ages, such as traditional costumes, fest-noz (night festivities), and a maritime village along the Quai Carnot, overlooking the historic Ville Close. This unique blend of music, dance, and community spirit makes it a perfect occasion for locals and visitors to engage with the heart of Breton tradition.