But relive the past memories of mud, music and good times with these retro pictures.
Who can you spot having a good time from festivals over the years?
17. Hands up if you are having a good time
Who do recognise having fun at a previous Y Not festival? Photo: jason chadwick
18. Ninja turtles
The Teenage Mutant Ninja Turtles making an appearence at the Y Not Festival 2014 Photo: Marisa Cashill
19. Toy soldiers
Jamie Whelan, Aaron Frost, Elliott Wilson, and Daniel Walsh-Smith back in 2014 at Y Not Photo: Marisa Cashill
20. Lost in the crowd
De La Soul crowds in 2014 Photo: Marisa Cashill