North District Hospital or NDH is an acute general hospital serving the population of the New Territories East Cluster. It has now 600 in-patient beds, 24-hour Accident & Emergency service, specialist out-patient, day and community facilities.NDH is the first hospital completely planned and built by the Hospital Authority. After five years' construction, the hospital commenced service in February 1998. The location was formerly known as the Dodwell's Ridge Camp of the Royal Hong Kong Police Cadet School.