Denny's 4010 24th Avenue 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM 5:00 AM - 10:00 PM4010 24th Avenue Fort Gratiot, MI 48059 US