Grade 4 trails are suitable for experienced hikers as navigation and technical skills will be required. Trails will be long, rough and very steep with limited signage or navigation aids. Click here for more information on the hike grading system in Australia.

Crosslands to Cowan (14km)

Crosslands to Berowra Waters return (13.7km)

Hornsby to Fishponds (5.6km)

Hornsby to Mt Kuring-gai (22.3km)

Hornsby station to Crosslands (16.1km)

Galston Gorge to Mt Kuring-gai (12.6km)

Crosslands to Naa Badu Lookout return (8.2km)

Hornsby to Galston Gorge (9.7km)

Mt Kuring-gai to Calna Creek (9.4km)

Blue Gum Walk (Joe’s Mountain Circuit) (4.2km)

Hornsby Blue Gum Walk (6.7km)

Hornsby to Brooklyn three day walk (43.1km)