Denny's 2173 Northampton St 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 10:00 PM 6:00 AM - 12:00 AM 6:00 AM - 12:00 AM 6:00 AM - 12:00 AM 6:00 AM - 12:00 AM2173 Northampton St Holyoke, MA 01040 US