ESSEX Police attended Belhus Woods Country Park in Aveley shortly before 7.50pm on Saturday, August 15 following reports of loud music being played and groups of people heading for the site.
Officers attended at the park off Romford Road and found about 30 people with sound equipment.
The event was not licenced and was being held illegally.
Police spoke with the organisers and ordered them to leave under Section 63 of the Criminal Justice and Public Order Act 1994.
Officers stopped further people from entering the site and remained in attendance until the site was cleared shortly before midnight.
A 19-year-old man from South Ockendon was given a caution for failing to leave as directed.
