Edgefest was an annual outdoor rock festival in Canada. It was founded by staff members of Toronto radio station CFNY-FM. From 1987 to 2015, the festival was held every year in the summer (except for 2007). The festival was most frequently held on Canada Day at Molson Park in Barrie, Ontario or a venue in Toronto. The festival featured predominantly Canadian rock bands. During its 29-year operation, the festival featured more than 300 performers. As of 2015, it was the longest running rock festival in Canada.