Sydney Harbour National Park

Sydney Harbour National Park protects the harbour's wild edges, a scattered park made up of foreshore bushland, headlands and islands ringing one of the world's great natural harbours. Rather than a single block, it is a mosaic of reserves — from South Head and North Head at the entrance to the harbour islands of Shark, Clark and Rodd — preserving remnant bushland within sight of the city skyline.

The headlands are the highlights. South Head, at Watsons Bay, carries the candy-striped Hornby Lighthouse and clifftop paths overlooking the harbour mouth, while North Head at Manly offers sweeping views back toward the Opera House and Bridge. Both hold Aboriginal engraving sites and relics of colonial and wartime defences, including gun emplacements and a former quarantine station.

Walking tracks link the fragments. The Manly to Spit Bridge walk threads nearly ten kilometres of harbour bushland past secluded beaches and Aboriginal rock art, and shorter loops at Bradleys Head and Nielsen Park combine shady tracks with small swimming coves. Fairy penguins, echidnas and abundant birdlife persist in these pockets despite the surrounding city.

Practical notes: many sections are reached by ferry — to Manly, Watsons Bay or the islands — which is part of the appeal, though some island landings require booked tours. Terrain ranges from easy paved lookouts to rougher clifftop paths, so accessibility varies by site. The cooler months from April to October are ideal for walking, while summer suits the harbour beaches. Bring sun protection and water, as shade and facilities thin out along the exposed headlands. Whale-watching from the headlands is a highlight between May and November as humpbacks migrate past the harbour mouth, and the quarantine station at North Head offers guided tours into its layered, sometimes eerie, history.