ABOUT

ArcTanGent is a festival that aims to celebrate and elevate radically innovative contemporary music. ATG is the epicentre of some of the most subversive and ingenious sounds of the underground, as well as established heavyweight musical visionaries

A celebration of unorthodox artistry, ArcTanGent is a pilgrimage for a dedicated worldwide community that recognises the transformative power of extraordinary music. This collective passion creates a unique atmosphere that is as much about the recurring people you see as it is about experiencing the music itself. Bringing together so many dedicated fans creates an atmosphere for bands to thrive.

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Four exploratory days filled with post-rock, polyrhythmic metal, abrasive electronics and a genuine sense of community.

The Guardian

Home to the most mind-melting, organ-crunching, earth-shattering music you can find.

Prog Louder Sound

A beacon for what an alternative music festival can and should be

MusicRadar

Quick Facts

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100+ acts play across alternating stages on a relatively compact site, so there is no chance of missing your favourite band.

Shortlisted for Best Medium Festival 2023, 2024 & 2025 at the UK Festival Awards.

The festival takes place on 13th – 16th August 2025 on the idyllic Fernhill Farm near Bristol, UK.

A curated line-up of the very best acts in experimental rock, metal, prog, math, post, hardcore and electronic music.

Camping is included for the whole weekend or you can upgrade to several glamping options if you want to experience the festival in style.

We source the best food traders a festival can buy and we promise you’ll love our range of independent and local beer and cider.

Every night ends with our infamous silent disco from 11pm to 3am.