Barrie Police are investigating an early morning assault at Heritage Park.
Police were called to the area around 5:15 a.m. Sunday.
"People walking by heard a disturbance," said Sgt. Curt Phillips. "A woman was taken to hospital. There's no one in custody at this point."
A large area of Heritage Park was cordoned off with yellow police tape but has since been reopened.
Police say the investigation continues.