Mammothfest is a hard rock and metal festival, run by a small team of passionate metal heads, based in Brighton UK.

Our aim is simple; to one day make Mammothfest the largest hard rock and metal OPEN AIR festival in the South, while spring-boarding local and underground bands by giving them opportunities to play on big stages with the biggest and best bands in the world – after all some are amazing and our current headliners won’t be around forever!


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Mammothfest gives its customers a price friendly festival, in a location that ensures southerners no longer have to travel for hours to see their favourite bands, while people from further afield can come to our wonderful city and enjoy some mind-blowing bands in a seaside environment. We aim to get the logistics right so you can make our events and still get the last train home – or stay in our cheap accommodation… we’ve got you covered.

We hope to see you at one of our events and thank you for your time and support, thank you also for visiting our website, we hope you enjoy our events, from the small UK wide events, all the way up to Mammothfest itself!