Denny's 2173 Northampton St 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM 5:00 AM - 12:00 AM2173 Northampton St Holyoke, MA 01040 US