By Harry Nara · Last updated
- The feast day itself, a public holiday in BarcelonaThursday 24 September 2026
- Where
- Plaça de Sant Jaume and venues across the city
- Tickets
- Free
- Time of year
- September
- Dates
- Around the same dates every year
The feast day is fixed to 24 September and is a public holiday in the city. The surrounding programme runs for four or five days around it and the exact span shifts a little each year, with the full listing published by the city in late summer.
The programme runs to more than five hundred events and it is genuinely paralysing, so here is the shape of it. Four things are worth building a day around: the castellers, who build human towers eight and nine levels high in Plaça de Sant Jaume around the middle of the feast day; the correfoc, in which devils run through the streets throwing sparks at a crowd that runs with them; the giants and the parades of the traditional bestiary; and the piromusical, a fireworks and music finale on Montjuïc that closes the festival. Everything else is a bonus. All of it is free and none of it needs a ticket.
What La Mercè actually is
The festa major of Barcelona, the city’s own annual festival, held around the feast of Our Lady of Mercy, who is one of its patron saints. The feast day is a public holiday in the city and the programme wraps four or five days around it. What makes it unlike most city festivals is that the traditional Catalan repertoire is not a sideshow: the human towers, the fire runs, the giant figures, the devils and dragons and the eagle are the main event, performed by the neighbourhood societies that have done them for generations, in the square in front of the city hall. Layered over that is a very large free music programme across stages in parks and squares, plus street theatre and aerial performance. It ends with the piromusical, fireworks choreographed to music at the Magic Fountain on Montjuïc, which draws an enormous crowd.
Where to watch La Mercè
- Plaça de Sant Jaume for the castellers, and this is the pick. Teams from across Catalonia build human towers eight, nine and occasionally ten levels high in the square between the city hall and the Catalan government, with a child climbing to the top and raising a hand to complete it. It is recognised by UNESCO and it is genuinely tense to watch. It happens around the middle of the feast day and the square fills well before, so come early.
- The correfoc, for the fire. Devils and dragons move through the streets in a fire run, throwing sparks from handheld fireworks into a crowd that deliberately runs among them. Cotton clothing, long sleeves, closed shoes and a hat, and nothing synthetic. There is a gentler junior version earlier for children, which is the one to take them to.
- The piromusical on Montjuïc, for the finish. Fireworks set to music at the Magic Fountain, and the biggest single crowd of the festival. It is the closing event, so it is the one everyone goes to. Higher up the hill on the approach roads is much easier than the front, and loses very little.
- The gegants and the parades, for the strangest half hour of the week. Enormous costumed figures, some of them centuries old, processing with drums and pipes, along with the full Catalan bestiary. Utterly unlike anything a visitor expects a European city festival to contain.
- The free music programme, spread across the city. Stages in parks and squares in several neighbourhoods, running for the whole festival, covering everything from local bands to substantial international names, and free. Check the listing when it publishes rather than planning around it in advance.
Tickets and what it costs
Free is the headline and it holds. The concerts, the castellers, the correfoc, the parades and the fireworks are all open and unticketed, which is unusual for a festival of this scale. A small number of seated or indoor performances release free tickets in advance and those go quickly, but they are the exception rather than the way in. What you should account for instead is accommodation: the feast day is a public holiday, the festival is well known, and hotel rates in the city rise sharply for the week. Book early or stay slightly out. Food and drink at the events are ordinary street prices and mostly cash.
Official information and booking: www.barcelona.cat/lamerce/en
Getting there
The events are scattered, which is the main logistical fact. Jaume I and Liceu serve Plaça de Sant Jaume and the Gothic Quarter events, Espanya serves Montjuïc and the fireworks, and the music stages are spread across several neighbourhoods with their own stations. The metro runs extended hours during the festival and later still on the big nights, which is the thing to check before committing to a late event. Central streets close progressively through each evening. After the piromusical, the crowd leaving Montjuïc all reaches Espanya at once, so walking down towards Poble Sec and taking a different line is considerably faster.
Mistakes worth avoiding
Trying to see everything
There are more than five hundred events and no route through them. Visitors who try to optimise spend the festival travelling between things and arriving late to all of them. Pick two or three anchors a day and let the rest happen.
Wearing synthetics to the correfoc
The fire run throws sparks into the crowd deliberately and they melt holes in anything synthetic. Cotton, long sleeves, closed shoes, a hat. Every year visitors turn up in nylon and leave with a ruined jacket and small burns.
Arriving at the square as the castellers start
Plaça de Sant Jaume fills long before the towers go up and it is a small square. Arriving on time means watching from behind several hundred people. Come well ahead or accept a partial view from an edge.
Standing at the front for the piromusical
It is the largest crowd of the festival and the fireworks are high. Positions further back and higher up the hill are more comfortable, easier to leave and lose almost nothing. The exit from the front afterwards is the worst crush of the week.
Booking accommodation late
The feast day is a city public holiday and the festival is a major draw. Rates rise sharply and central availability disappears. This is the one part of the festival that will cost you real money if you leave it.
Other Barcelona events
Frequently asked questions
What is La Mercè?
Barcelona’s own annual city festival, held around the feast of Our Lady of Mercy on the twenty-fourth of September, which is a public holiday in the city. It runs for four or five days with more than five hundred events, almost all of them free, and it centres on the traditional Catalan repertoire of human towers, fire runs, giant figures and parades, alongside a very large free music programme.
What are the castellers?
Teams who build human towers, eight or nine levels high and occasionally ten, with a child climbing to the top and raising a hand to complete the structure. They perform in Plaça de Sant Jaume, between the city hall and the Catalan government building, around the middle of the feast day. The practice is recognised by UNESCO as intangible cultural heritage.
What is the correfoc and is it safe?
A fire run: costumed devils and dragons move through the streets throwing sparks from handheld fireworks while the crowd deliberately runs among them. It is safe if you dress for it, which means cotton, long sleeves, long trousers, closed shoes and a hat, and nothing synthetic. There is a gentler children’s version earlier in the day.
Is La Mercè free?
Yes, essentially all of it. The concerts, human towers, fire run, parades and closing fireworks are open and unticketed. A handful of indoor or seated performances release free tickets in advance and go quickly, but they are not the main way in. The real cost is accommodation, which rises sharply for the week.
What is the piromusical?
The closing event: fireworks choreographed to music at the Magic Fountain on Montjuïc. It draws the biggest crowd of the festival. Watching from further back and higher up the hill is much more comfortable than the front and barely affects the view, and it makes leaving afterwards far easier.
How crowded does it get?
Very, but unevenly. Plaça de Sant Jaume for the towers and Montjuïc for the fireworks are the two genuine crushes. The music stages and the smaller street performances are spread across several neighbourhoods and are comfortable. Choosing where to be at the two peak moments is most of the planning.
Sources
- Ajuntament de Barcelona, La Mercè official site
- Barcelona Turisme, official visitor site
- TMB, Barcelona metro and bus
Dates on this page are checked against the organiser’s own listing and confirmed through 2027. Written and maintained by Harry Nara.