Insomniac\’s longest running event, Nocturnal Wonderland, returns with the initial lineup announced earlier this week. The 20th installment of Nocturnal Wonderland will feature performances from Armin Van Buuren, Galantis, an Anjunadeep Showcase, Bassnectar, Pretty Lights, Adam Beyer’s Drumcode showcase and many more artists to be announced soon.

The fest goes down Sept. 4-6 in the San Manuel Amphitheater in Southern California, with campgrounds open from Sept. 3-6. Get your tickets/camping passes now, here, and stay tuned for the full lineup to be announced soon.