From August 8 to August 15, 2026, San Sebastian (Donostia) turns into one of Europe’s most vibrant coastal celebrations during Semana Grande (known in Basque as Aste Nagusia)[cite: 1]. For eight consecutive days, the resort city puts routine on hold to fill its streets with open-air concerts, traditional Basque sports, culinary contests, and world-class pyrotechnics. Whether you are flying in from the UK, traveling across Europe, or holidaying along the Basque coastline, this guide covers everything you need to know to experience Aste Nagusia 2026 like a local.
61st International Fireworks Contest: Daily Schedule & Pyrotechnic Teams
The unquestioned highlight of every evening takes place at 10:45 PM (22:45), when La Concha Bay lights up for the International Fireworks Competition[cite: 1]. Renowned pyrotechnic companies from around the globe compete nightly, drawing tens of thousands of spectators to La Concha promenade, the beach, and the surrounding viewpoints on Mount Urgull and Mount Igueldo.
Here is the official nightly lineup for the 2026 festival[cite: 1]:
- Saturday, August 8 (22:45): Pirotecnia Alpujarreña (Granada, Spain) – Opening display of the international competition[cite: 1].
- Sunday, August 9 (22:45): Xena Pyrotechnics (Netherlands)[cite: 1].
- Monday, August 10 (22:45): Pirotecnia Tamarit (Valencia, Spain)[cite: 1].
- Tuesday, August 11 (22:45): Phoenix Fireworks (United Kingdom)[cite: 1].
- Wednesday, August 12 (22:45): Pirotecnia Valenciana (Valencia, Spain)[cite: 1].
- Thursday, August 13 (22:45): Gianni Vaccalluzzo (Italy)[cite: 1].
- Friday, August 14 (22:45): Gironina (Valencia, Spain)[cite: 1].
- Saturday, August 15 (22:45): Pirotecnia Valecea (Álava, Spain) – Pyromusical Grand Finale celebrating 150 years of company history[cite: 1].
To easily navigate event venues, concert stages, and real-time schedule updates on your smartphone, make sure to check out our interactive Aste Nagusia app.
Live Concerts at Sagüés and Main Music Stages
Music is at the heart of the celebration, with free open-air performances taking place across the city every night. The largest stage is located at Plaza Tomás Alba in Sagüés (right at the end of Zurriola surf beach), hosting major midnight concerts starting at 11:45 PM (23:45)[cite: 1].
Sagüés Main Stage Lineup (Plaza Tomás Alba – 23:45)
- Saturday, August 8: Veintiuno (Pop-rock)[cite: 1]
- Sunday, August 9: Nat Simons & Aurora Beltrán (Rock)[cite: 1]
- Monday, August 10: Sanguijuelas del Guadiana (Pop-rock)[cite: 1]
- Tuesday, August 11: La Orquesta Mondragón (Pop-rock)[cite: 1]
- Wednesday, August 12: Malmö 040 (Pop-rock)[cite: 1]
- Thursday, August 13: Süne (Pop)[cite: 1]
- Friday, August 14: Lia Kali (Urban music)[cite: 1]
- Saturday, August 15: Etzakit (Triki-pop)[cite: 1]
Other Music Hubs Across the City
Beyond Sagüés, live music fills several plazas throughout San Sebastian each night:
- Kursaal Terraces (23:30): Popular youth zone featuring live DJ sets (DJ Aitana Grandes, DJ Bull, Marmitako Trap Banda) and modern pop performances[cite: 1].
- Boulevard Bandstand (23:30): Open-air venue showcasing folk, rumba, mariachi bands, and classic rock[cite: 1].
- Plaza Easo (23:30): Traditional outdoor ballroom dance orchestras (Verbenas)[cite: 1].
- El Antiguo District (Plaza Alfonso XIII – 23:30): Local rock concerts, magic performances, and traditional Basque dances[cite: 1].
The Cannon Shot, Pirate Assault, and Basque Traditions
The festival officially kicks off on Saturday, August 8 at 7:00 PM (19:00) at Alderdi Eder gardens[cite: 1]. Thousands gather outside City Hall to witness El Cañonazo (The Cannon Shot) fired into the air while singing the traditional anthem “Artillero dale fuego”[cite: 1].
On Monday, August 10, the city harbor hosts one of the most eccentric spectacles: El Abordaje (The Pirate Raft Assault) organized by Donostiako Piratak[cite: 1]. Participants build makeshift rafts in the morning starting at 9:30 AM before launching at 5:00 PM (17:00) to cross the bay toward La Concha beach[cite: 1].
If you want to experience authentic Basque culture and traditional sports (Herri Kirolak), head to Plaza de la Trinidad in the Old Town:
- Stone Lifting (Harrijasotzaileak): Saturday, August 8 at 18:30, featuring the Igeldoko and Uliako Harria trophies[cite: 1].
- Wood Chopping Gold Cup (Urrezko Kopa): Saturday, August 15 at 19:30, bringing together top regional aizkolaris (Iker Vicente, Julen Alberdi “Txikia IV”, Mikel Larrañaga)[cite: 1].
- Giants & Big-Heads Parades (Gigantes y Cabezudos): Papier-mâché figures processing daily through the Old Town, Center, Gros, and El Antiguo at 18:00[cite: 1].
- Fire Bulls (Toros de Fuego / Zezensuzko): Pyrotechnic bull frames running through the central streets daily at 23:30[cite: 1].
To learn more about the heritage and historical context of San Sebastian’s summer festival, explore our main guide to the Semana Grande in San Sebastian on Descubre Donostia.
Travel Tips for International Visitors
If you are planning your first trip to San Sebastian during festival week, keep these practical tips in mind:
- Getting Around: Avoid driving into the city center during festival evenings. Public buses (Dbus) and regional trains (Euskotren / Cercanías) operate extra night services. If arriving from Hendaye (France), the Euskotren “Topo” train drops you directly in central San Sebastian.
- Pintxo Bars Etiquette: The Old Town (Parte Vieja) gets extremely busy before the nightly fireworks. Plan to eat pintxos early (between 7:00 PM and 8:30 PM) to secure space.
- Family & Accessibility: Fairgrounds at Paseo Nuevo and Plaza Gipuzkoa offer “noise-free” hours on August 7, 12, 14, and 17 from 17:00 to 19:00 for an inclusive environment[cite: 1].
For official schedules and municipal announcements, visit the official Aste Nagusia page hosted by Donostia Kultura[cite: 1].
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