The park is bounded by the Hawkesbury River in the north; Berowra Creek in the east; and private land to the south and west. The national park may be accessed from Wisemans Ferry via the Old Northern Road or from Hornsby via the Galston Road through the Galston Gorge.[2]
The park is administered by Ku-ring-gai Chase National Park. It offers bushwalkers a wide range of environments, from the mangrove communities along Marramarra Creek to the drier, sclerophyll scrub along the ridges. Access is provided predominantly by fire trails and service roads, frequently alongside power lines, with no dedicated walking tracks.
Marramarra was a traditional area for the Aboriginal people of Darug. There are still places that testify to their traditional life here. Rock engravings, cave art, grinding grooves, scarred trees and other stone arrangements are part of this national park.[3]
Gallery
Cobah Creek
View of the Hawkesbury River from the northern ridges of the national park
A hut in Big Bay
View of Mangrove Creek from the northern part of the national park
Ruins along the northern ridge of the national park, parallel to the Hawkesbury River
Bibliography
Treks in New South Wales, Neil Paton (Kangaroo Press) 1986, ISBN0-86417-079-3