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BOOMFESTIVAL

The biggest psytrance festival in the world, on the shore of a lake in central Portugal — eight days of psychedelic electronic music, visionary art and community living, a biennial event that only comes back every other year.

July 18–25, 2027PsytrancePortugalIdanha-a-Nova8 days
Line-upPractical info
Boom Festival 2027

The Boom Festival festival.
In a nutshell.

The Boom Festival takes place every two years on the banks of the Marechal Carmona reservoir, in the Castelo Branco district of central Portugal. Created in 1997, it has become, edition after edition, the biggest psytrance festival in the world, bringing together around 50,000 people from more than 150 countries for eight days of psychedelic electronic music, visionary art and community living by the water.

Beyond the music — psytrance, psychedelic, world, downtempo, psy-techno — Boom presents itself as a “transformational” festival: workshops, talks, wellness spaces and visionary art installations mix in with the dance stages. The Dance Temple, the main stage set directly on the reservoir's water, has become the festival's most recognisable image.

The biennial format (one edition every two years, on odd years) is part of Boom's identity: no 2026 edition, the next one really does fall in 2027. Eight days by the water in the middle of the Portuguese summer, with camping that becomes, for many festival-goers, a genuine break into communal living rather than just somewhere to sleep.

PsytranceElectronicBiennialCastelo BrancoLakeJuly

At a glance

DatesJuly 18–25, 2027
LocationIdanha-a-Nova, central Portugal
Attendance~50,000 festival-goers, 150+ countries
Format8 days · psytrance, psychedelic, world
FrequencyBiennial festival (odd years)
Boom Festival · what's confirmed

What we know about Boom Festival 2027.

Dates
July 18–25, 2027, announced by the organiser.
Confirmed
Tickets
From €180, read on the official ticket shop.
Confirmed
Line-up
Not yet announced by the organiser.
Upcoming

"Confirmed": read on the festival's official website. "To reconfirm": announced, but not yet rechecked by us. "Estimate" or "upcoming": not yet announced by the organiser. See the official website

Boom Festival in practice

Profile of the festival.

Capacity, atmosphere, crowd, hours and on-site budget: the full profile of Boom Festival 2027 before you get your tickets.

Lineup

The biggest psytrance festival in the world

Psytrance, psychedelic music, world and downtempo, across several stages including the famous Dance Temple set on the water.

Identity

A “transformational” festival

Workshops, talks, wellness and visionary arts round out the music lineup — more a life experience than just a concert.

The setting

On the shore of an artificial lake

The festival is held on the banks of the Marechal Carmona reservoir, on the private Herdade da Granja estate — swimming and floating stages are part of the experience.

Attendance

50,000 festival-goers, once every two years

Created in 1997, Boom became biennial: no edition on even years, which makes every return highly anticipated by its international community.

What to expect

Portuguese summer: dry heat

Late July in central Portugal, temperatures regularly top 30°C: sun protection, hydration and light clothing are essential over eight days.

Budget

2027 prices not yet announced

The festival usually publishes its prices a few months before the edition — to be updated once officially announced.

Boom Festival 2027 practical info

Practical info.

Dates, hours, transport and lodging: what you need to know before you go.

Dates and schedule

Eight days, July 18 to 25, 2027 — a long format designed for real immersion rather than just a weekend. No 2027 lineup announced yet.

Tickets

2027 prices not yet published. Sales expected on boomfestival.org closer to the edition.

On site

The site runs largely self-sufficiently: food, markets and wellness spaces are built into the campsite, designed for a multi-day stay.

Access and transport

Idanha-a-Nova is a rural area of central Portugal, with no direct rail link: a car remains the simplest way to get there, from Lisbon or Madrid.

Climate

Late July in central Portugal: dry, intense heat, little rain expected — swimming in the reservoir is one of the ways to cool off on site.

TransportIdanha-a-Nova is a rural area of central Portugal, with no direct rail link — Lisbon or Madrid are the most realistic gateways.
By plane
Lisbon Airport (LIS), about 260 km away, or Madrid (MAD), about 300 km — both better connected to France than the regional airports.
By car
From Lisbon or Madrid, the road is the only realistic option to Idanha-a-Nova — allow about 2h45 to 3h of travel.
Carpooling
Very common for this kind of transformational festival: many groups organise ahead through the festival's community networks.
On site
The site itself is walkable — bring good shoes for eight days on natural terrain by the water.
See transport options →
AccommodationCamping is an integral part of the Boom experience — almost everyone stays on site for the full eight days.
The campsite
Open several days before the official start of the festival, split into zones to suit your mood (quiet, party, family) — included or extra depending on the package chosen.
Gear
A tent, sun protection and a water supply are essential for an eight-day stay in the middle of the Portuguese summer.
Indoors
Very little hotel offering right around Idanha-a-Nova; the overwhelming majority of festival-goers camp on site.
Distance from the festival
The campsite is built right into the site, a few minutes' walk from the stages and the lake.
See places to stay →
DestinationIdanha-a-Nova is a sparsely populated rural area of central Portugal, off the usual tourist trail.
What to do
The Marechal Carmona reservoir itself, with its water activities, is part of the experience — swimming, kayaking and relaxing by the water between sets.
Surroundings
The little-visited Beira Baixa region offers a genuine Portuguese rural change of scene — a deliberate contrast with the big coastal cities.
Usual weather
Late July in central Portugal: dry, intense heat, often above 30°C, very little rain — swimming in the reservoir is the best way to cool off.

Information last updated on October 4, 2026

Boom Festival aftermovie

The vibe of the
festival.

The official teaser (2018), published by the Boom Festival channel, as no full aftermovie was found.

Boom Festival 2027 line-up

The full line-up.
Day by day.

The Boom Festival 2027 line-up hasn't been revealed yet. We'll update this page as soon as it's announced.

Line-up coming soon

The first names usually drop in autumn, several months before the festival. Come back then: the full day-by-day line-up will show up here.

Comfort, well positioned

Get organised for
Boom Festival.

At 6am, a ten-minute journey can feel very long. Pick the right home base now, and the route that leaves you enough energy for the rest.

Lodging

Places to stay around Herdade da Granja, Idanha-a-Nova.

Transport

Arrive fresh in Idanha-a-Nova.

Flight, train, bus or carpooling: compare the options side by side with your real dates. The idea is to arrive with a bit of battery left — you included.

BusTrainPlaneCarpooling
Activities

Fill your days too.

Bars, restaurants, spots worth a visit between two shows: enough to fill the gaps in the schedule without improvising on the spot at the last minute.

BarsRestaurantsSightseeing
A taste of it

Boom Festival
like you were there.

The Dance Temple in 2012, a flame rising above the crowd, and a view of the site in 2004 — the waterside atmosphere that's Boom Festival's signature.

1 / 3
01 — Boom Festival
02 — Boom Festival
03 — Boom Festival

Photo credits: Serialslb · Wikimedia Commons · CC BY-SA 3.0, Artem Kavalerov · Wikimedia Commons · CC0, Andy Weisner · Wikimedia Commons · CC BY-SA 2.0.

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