30 minutes drive form the Sydney CBD is Ku-ring-gai Chase National Park. This is a protected national park and requires a park entrance fee $12 per vehicle per day. The National Park includes Bobbin Head, Akuna Bay, Barrenjoey.
There are numerous walking tracks. Today we are walking along the Gibberagong Track which offers a scenic mangrove boardwalk and bushwalk with picnicking, birdwatching and wildlife. The total walk is 4km which will take about 3 hours and the grading is medium. Our walk starts at Bobbin Head.