It takes place at the Punchestown Racecourse in County Kildare , Ireland and has an average attendance of around 80,000 a day , with around 70,000 of these camping on site for the duration , and the rest traveling to the site each day . It takes place at the Punchestown Racecourse in County Kildare , Ireland and has an average attendance of around 90,000 a day , with around 80,000 of these camping on site for the duration , and the rest traveling to the site each day .