I couldn't find a GPA requirement on the ACPHS website, but the PharmCAS school directory describes a minimum GPA (overall and pre-req) of 2.5 for the program. You might want to confirm with the program, though.
The average GPA of accepted applicants appears to be somewhere around 3.3, but if you're below that mark, having a stellar PCAT score can help. ACPHS seems to have just dropped the PCAT requirement last year - it's still listed on the PharmCAS school directory, so the directory might not be up-to-date.