Local media reported a passerby found twenty-three-year-old Audrey Carey's body on Saturday in Golden Gate Park.
Police say she suffered a blunt force trauma to her head.
Carey is from St-Jean-sur-Richelieu, about 50 kilometres southeast of Montreal.
St-Jean-sur-Richelieu police say they have notified the woman's family.
Carey was attending a bluegrass festival in the city, according to reports.