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.

2027 tickets Official site Instagram

2026 LINEUP · ARCHIVE19-22 Aug 2026

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

2027 tickets →See the full line-up

Headliners for ArcTanGent 2026 — archived lineup from the finished edition.

202718-21 Aug 2027 · Date source checkedCheck 2027 tickets →

Festival file

The 2026 edition ran 19-22 Aug at Somerset. Next edition: 18-21 Aug 2027. With a capacity of around 5,000, it sits at the more intimate end of the UK festival calendar. Glamping options are listed; check the organiser for the location and current availability. The tents are supplied by Brook Bell Tents / Tangerine Fields.

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.

Glamping on site

Brook Bell Tents / Tangerine Fields supplies the tents at ArcTanGent. Pre-pitched bell tents, ready when you arrive. See the tents and prices

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.

Get on the crew list →Hiring crew? Find people →