Our Hospitals Balmain Hospital Canterbury Hospital Concord Hospital Royal Prince Alfred Hospital RPA Virtual Hospital Sydney Dental Hospital The Walker Estates Yaralla Estate Yaralla is an Aboriginal word for dwelling place. Rivendell Estate Rivendell is considered one of Sydney’s best kept secrets. Our Services Aboriginal Health Aged Health, Chronic Care & Rehabilitation Allied Health Carers Community Health Interpreter Services Mental Health Nursing and Midwifery Oral Health Research Planning Population Health RPA HealthOne Green Square Sydney Innovation