EarlyOn Grantham Centre Home Venue EarlyOn Grantham Centre Loading view. There were no results found. There were no results found. Events EarlyOn Grantham Centre EarlyOn Grantham Centre 469 Grantham Ave St Catharines, ON L2M 3J2 Canada Get Directions Today Now onwards Now onwards Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file