A 17-year-old boy has been arrested in one of the cases and has been questioned by police.
One rape was reported late Friday night. The second rape was reported overnight on Saturday when a woman said she had been raped in a toilet.
Earlier this week, another rape was reported during the festival. A 17-year-old girl reported that she had been raped in a tent. Two men, aged 24 and 25, have been charged in connection with the incident.
