Ku-ring-gai Chase National Park is a national park on the northern side of Sydney in New South Wales, Australia. The 14,977-hectare (37,010-acre) park is 25 kilometres (16 mi) north of the Sydney central business district and generally comprises the land east of the M1 Pacific Motorway, south of the Hawkesbury River, west of Pittwater and north of Mona Vale Road. It includes Barrenjoey Headland on the eastern side of Pittwater.
Ku-ring-gai Chase is a popular tourist destination, known for its scenic setting on the Hawkesbury River and Pittwater, significant plant and animal communities, Aboriginal sites and European historic places. Picnic, boating, and fishing facilities can be found throughout the park. There are many walking tracks in Ku-ring-gai Chase. The villages of Cottage Point, Appletree Bay, Elvina Bay, Lovett Bay, Coasters Retreat, Great Mackerel Beach and Bobbin Head are located within the park boundaries.