When is ArcTanGent 2026?

ArcTanGent takes place in 19-22 Aug 2026 at Somerset.

Where is ArcTanGent held?

ArcTanGent is held at Somerset, South West, UK.

What kind of music and lineup does ArcTanGent have?

ArcTanGent leans Math rock / post rock, Post-rock, Math-rock. Recent headliners include Primus, Chelsea Wolfe, Cult of Luna & Julie Christmas, Sikth.

Does ArcTanGent have camping?

Yes, including glamping options. ArcTanGent is a camping festival, so you can stay on site across the weekend.

Will it rain at ArcTanGent?

History gives it a 87% chance: in 30 years of weather data for this site and these dates, 87% of years saw at least 1mm of rain on a festival day, with a 3% chance of a proper washout (20mm+ in a day) and typical daytime highs around 20°C.

Festival profile19-22 Aug 2026 · Somerset

ArcTanGent

Primus, Chelsea Wolfe & Cult of Luna headline. Indie, math-rock and experimental festival at Fernhill Farm, Somerset, 19-22 Aug 2026.

Buy tickets Official site Instagram

★ ON THE BILL19-22 Aug 2026

Primus/Chelsea Wolfe/Cult of Luna & Julie Christmas/Sikth

Get tickets →See the full line-up

Headliners for ArcTanGent 2026 — more acts on the official line-up, subject to change.

Festival file

ArcTanGent returns in 2026, running 19-22 Aug at Somerset. With a capacity of around 5,000, it sits at the more intimate end of the UK festival calendar. Glamping is available on site if you would rather not pitch your own tent.

Expect a welcoming, inclusive, ground-breaking feel. Math rock / post rock, Post-rock, Math-rock fans will feel right at home, with past lineups featuring Primus, Chelsea Wolfe, Cult of Luna & Julie Christmas, Sikth.

Not camping? Places to stay near ArcTanGent, sorted by distance.Find a place to stay →

Want to work ArcTanGent?

Festivals like this hire bar staff, stewards, build crew and drivers every season. Get on the crew list free and get found by the people doing the hiring.

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