The multi-hued sandstone
landscape forms part of Sydney
's green belt and protects vital clear-water tributaries to the Hawkesbury River.
Try the 1.6-km Grass Tree Circuit or stroll a section of the convict-built Great North Road, one of the great construction feats of the early colony and recognised as a National Engineering Landmark. Picnic at Mill Creek or Hazel Dell. Discovery walks, talks and tours are available year round. The park is also good for mountain biking (bikes must be walked up Devines Hill
); phone the Gosford office for details. Car-based and trailer camping is available at Mill Creek (tank water), and backpack camping at Ten Mile Hollow (fees apply and bookings are required - phone 4320 4203).
Access 40 km north-east of Windsor
Mill Creek is 5.5 km east of Wisemans Ferry
along Wisemans Ferry Road.
Gosford, phone 02 4320 4200