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ArcTanGent Festival

Launched in 2013, 12 years ago.

Dates

ArcTanGent 2025 begins on 13/08 and lasts for 4 days, wrapping up on 16/08. You can stay on site for a maximum of 5 nights.

In the UK, there are 7 other festivals on the same weekend.

Crowd

Based on its maximum daily capacity of 5,000, we class ArcTanGent as a Medium festival.

Although there is no minimum age for entry, ArcTanGent is not considered family friendly. It doesn’t have children’s entertainment or separate family camping.

Amenities

ArcTanGent is a weekend festival with facilities for on-site camping, where you can stay for a maximum of 5 nights. You can also buy day access tickets and arrange your own accommodation.

Tickets

2025 tickets: TBR

Music

ArcTanGent is most commonly known to schedule Metal music. Acts are scheduled across 5 stages, over 4 days.

The 2025 lineup contains 27 acts. ; Karnivool top the bill as headliners headline the festival.

2025 Lineup

This image is courtesy of arctangent festival, showing you which acts are scheduled for 2025.
All posters shown here were created by and are owned by ArcTanGent festival.
ArcTanGent-logo

ArcTanGent

13th – 16th August 2025

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For Ben Tomlinson

Previous Lineups

Location

ArcTanGent is 1 of 16 music festivals in the South West of England. The festival’s full address is: Fernhill Farm, Compton Martin, Somerset, BS40 6LD.

Festival Facts

We asked a popular AI tool a few things about ArcTanGent. Here’s what it told us 👇

What’s unique about ArcTanGent festival?

ArcTanGent music festival is somewhat unique for its strong focus on math rock, post-rock, progressive metal, and experimental music. Unlike many mainstream festivals, ArcTanGent has carved out a niche catering to fans of complex rhythms, unusual time signatures, and instrumental virtuosity. Held near Bristol, UK, it offers a curated lineup that attracts discerning listeners who appreciate technical proficiency and genre-pushing performances. The festival also boasts an intimate setting, with a limited capacity that fosters a strong sense of community among attendees. This focused approach gives ArcTanGent a distinctive identity in the crowded festival landscape.

What’s the atmosphere like at ArcTanGent?

The atmosphere at ArcTanGent is incredibly welcoming, relaxed, and inclusive. Despite the complex and often intense music, the mood among the crowd is friendly and supportive. Fans at ArcTanGent tend to be passionate and knowledgeable, creating a space where newcomers and long-time listeners can bond over shared interests. The festival grounds are clean and well-organized, and various food and drink vendors cater to diverse dietary needs. There’s a grassroots charm to the event—no flashy gimmicks, just great music in a beautiful outdoor setting. This creates a genuine, communal vibe that distinguishes it from larger commercial festivals.

Tips for first timers at ArcTanGent?

For first-timers at ArcTanGent, it’s wise to plan ahead and familiarize yourself with the lineup, as many bands may be less mainstream but worth discovering. Bring appropriate clothing for unpredictable UK weather and comfortable footwear for walking around the festival site. Earplugs are a must if you’re standing close to the stages, given the sometimes high volume levels. Be open to exploring unfamiliar acts—you might stumble upon your new favorite band. Finally, engage with other festival-goers; the crowd is known for being approachable and enthusiastic, making it easy to strike up conversations and share music recommendations.

Tell me something not many people know about ArcTanGent.

Something not many people know about ArcTanGent is that it was created as a sister festival to 2000trees, another independent UK music festival. While 2000trees leans more towards indie and punk genres, ArcTanGent was launched in 2013 specifically to spotlight the math and post-rock scenes. Additionally, the festival is entirely independent and environmentally conscious, often employing green initiatives such as reusable cups and encouraging car sharing, which resonates with its like-minded audience. These behind-the-scenes choices help it stand out while reflecting the values of its community.

As the information in this box (and this box only!) has been generated by AI, we can't guarantee its accuracy.

Key Info

Starts:

13/08/25 
days)

Finishes:

16/08/25

Min. Age:

Unknown

Tickets

TBR

Your Questions

Have a question about ArcTanGent? The Festnav team can find an answer!

Festnav is not affiliated with ArcTanGent and is not responsible for prices, ticket availability or any facilities offered at ArcTanGent.

This information is presented with our best intentions but it may be incorrect as things change.

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Next festival

If you’ve got tickets for 2025 or are hoping to attend, add ArcTanGent your Festival Planner here.

ArcTanGent 2025

; Karnivool top the bill as headliners

Historic festivals

If you’ve been before, add the year(s) you attended to your Festival Profile below.

ArcTanGent 2024

ArcTanGent 2023

Converge, Opeth, Swans and Devin Townsend make up the 4 headline acts for 2023.

ArcTanGent 2022

; Opeth, Cult of Luna and Tesseract top the bill as headliners

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