The Aftershock Festival is a hard rock and heavy metal festival that takes place in Sacramento, California. It was first started in 2012 and has been active on and off since then, with the festival expanding to three days in 2019 and four days in 2021. The festival features a lineup of popular rock and metal bands, with past performers including Stone Temple Pilots, Deftones, Bush, Chevelle, Theory of a Deadman, Escape the Fate, Hollywood Undead, Oleander, Hell or Highwater, and many others. The festival is held outdoors at Discovery Park in Sacramento, and attendees can purchase weekend passes or single-day passes. There are also VIP passes available, which include perks such as a commemorative VIP laminate and wristband, dedicated festival VIP fast track entrance lanes, and more. The festival has a list of prohibited items, and there will be elevated security measures in place. The festival organizers have partnered with hotels around Sacramento to offer discounted rates for attendees.