The Central Coast includes the Gosford and Wyong Local Government Areas and is strategically located between the global city of Sydney and the regional city of Newcastle.. https://www.visitnsw.com/destinations/central-coast
Wondabyne to Woy Woy via Pindar Cave and Mt Wondabyne is a interesting bushwalk in the Brisbane Water National Park. It incorporates a section of the Great North Walk, as well as a side-track to the impressive Pindar Cave.
Piles Creek Loop is a varied track through a valley and along ridges in Brisbane Water National Park, combining the longer Piles Creek and the short Girrakool Loop tracks.
A circular paddle by kayak from Brooklyn, visiting some lower Hawkesbury River beaches including Croppy Beach and Gunyah Beach.
TGhe Fernleigh Track is an easy cycling path (or hiking track) between Belmont and Adamstown on the Central Coast, which follows a disused rail line.
The Bullimah Spur Loop in Bouddi NP is a relatively short but very picturesque circuit that offers some of the best views in the park and a stop at beautiful Maitland Bay.
The Bouddi Coastal Walk is one of the best coast walks around Sydney, traversing a number of beautiful beaches and scenic lookouts. It can be done as “out and back” walk, or you make it into a loop bushwalk.