HomeHillside Square Loading view. There were no results found. There were no results found. Events Hillside Square Hillside Square 8 Hillside Avenue Montclair, NJ 07042 United States Get Directions 9737442273 www.montclairjazzfestival.org Today Upcoming Upcoming Select date. Previous Events Today Next Events Subscribe to calendar Google Calendar iCalendar Outlook 365 Outlook Live Export .ics file Export Outlook .ics file