The Graaff Reinet Family Violence, Child Protection and Sexual Offences Unit is investigating the alleged rape of a 14-year-old girl in Kroonvale on Friday.
Spokesperson, Captain Bradley Rawlinson says it is alleged that the victim was returning from her older sister and while she was walking past a high school, she was approached by four men.
He says one of them threatened her with a sharp object, while the others raped her.
The teenager managed to escape and reported the incident to her mother.
She was later taken to hospital where the rape was confirmed.
No arrests have yet been made.