The original fixed catadioptric lens was replaced by an automated electric light system in 1972.
The lighthouse tower was constructed using sandstone quarried directly from the headland.
The 1868 stone tower, built before the current lighthouse, serves as a prominent heritage feature on the site.
The name 'Barrenjoey' is derived from the Aboriginal word 'barranjuwi', meaning 'a young wallaby'.
The lighthouse is a popular filming location, having appeared in numerous Australian television series.
The site was historically part of a vital communication route between Sydney and the northern coast.
The headland is a significant site for whale watching during the southern migration period.
Barrenjoey Lighthouse is a 19th-century sandstone beacon situated at the northernmost point of the Barrenjoey Headland in Palm Beach, New South Wales. Constructed in 1881, the lighthouse tower stands 113 metres above sea level to guide vessels into Broken Bay. It operates as part of the Ku-ring-gai Chase National Park and remains a functional navigational aid. The site includes the original lighthouse keeper's cottages and the remains of the older 1868 stone tower. Visitors access the site via two primary walking tracks, the Smugglers Track or the Access Trail, which ascend the headland. The lighthouse grounds offer panoramic views of the Pacific Ocean to the east and Pittwater to the west. It is a heritage-listed site maintained by the NSW National Parks and Wildlife Service.
From the base of the lighthouse looking south back over the length of Palm Beach.
Wear sturdy walking shoes as the ascent involves steep, unpaved terrain.
Carry sufficient water, as there are no drinking fountains available once you begin the climb.
Check local weather alerts for high wind warnings, which are common on the exposed headland.
Attempting to climb during severe weather conditions or failing to account for the steep incline when planning your energy levels.
Guided tours of the interior are typically restricted to specific weekends; the grounds remain accessible year-round.
Remain on marked trails to protect the fragile headland vegetation and avoid restricted heritage zones.