Semana Grande or Aste Nagusia in San Sebastian, running around August 15 each year, is the city's main festival week with food stalls, the international fireworks competition over La Concha bay and Basque rural sports.
Tip: Free entry; food stalls priced individually. Book accommodation 3 months ahead; the city fills up.
Address: Plaza de la Constitucion, 20003 Donostia-San Sebastian, San Sebastián
Sagardo Apurua in early December in San Sebastian celebrates the arrival of the new season's Basque cider, with cider tastings, the recreated Igartubeiti farmhouse and oxcart processions along the Boulevard next to City Hall.
Tip: Free entry; tastings 2 to 4 euros each. The opening oxcart procession from the Urumea is the highlight.
Tamborrada on January 20 in San Sebastian, the city's patron saint festival, runs 24 hours of drum corps in chef whites and Napoleonic uniforms across the Old Town, with food specials in every bar.
Tip: Free public event; the midnight raising of the flag in Plaza de la Constitucion is the opening moment.
Sagardo Berriaren Eguna in mid-January in Astigarraga, 7km from San Sebastian, marks the official opening of the txotx season with a citywide cider-and-tortilla menu across every sagardotegi.
Tip: Buy the bracelet at participating cider houses; the txotx menu is 35 to 40 euros including all the cider you drink.
The San Sebastian Film Festival in late September each year at the Kursaal runs a parallel programme of chef dinners, hotel restaurant weeks and celebrity-table specials across the city's haute cuisine rooms.
Tip: Book Arzak and Akelarre two months ahead during the festival fortnight; the city is full.
San Sebastian Gastronomika at the Kursaal in San Sebastian's Gros is the world's first international gastronomy congress since 1999, with chef demos, tastings and presentations from the global haute cuisine elite.
Tip: Three-day pass 200 to 400 euros; the Saturday public day is the most accessible. Book early; chef talks sell out.
