Denny's 4010 24th Avenue 7:00 AM - 12:00 AM 7:00 AM - 12:00 AM 7:00 AM - 12:00 AM 7:00 AM - 12:00 AM 7:00 AM - 1:00 AM 7:00 AM - 1:00 AM 7:00 AM - 12:00 AM4010 24th Avenue Fort Gratiot, MI 48059 US