Berowra Creek

Berowra Creek is a tributary of the Hawkesbury River, situated to the north of the city of Sydney in the Australian state of New South Wales.

The creek is about 30 kilometres (19 mi) long, and is a ria or drowned river valley estuary, consisting of steeply incised gorges with surrounding plateau areas. It rises near Pennant Hills and flows generally north-north-east into the Hawkesbury River about 7 kilometres (4.3 mi) west of Brooklyn, and about 20 kilometres (12 mi) from the ocean. It is fed by a number of tributaries that drain the steep catchments adjacent to the waterway. The tidal limit is at the Rocky Fall Rapids, some 23 kilometres (14 mi) from the creeks mouth.

The area around the creek is most developed near its source in the south, influenced by the development of Hornsby and its surrounding suburbs. As the creek flows to the north, it flows through a catchment area that catchment is mostly bushland and includes parts of the Berowra Valley Regional Park, Marramarra National Park and Muogamarra Nature Reserve. The steep sides of the creek have limited development directly adjacent to the Berowra Creek estuary, most of which is only accessible by boat. However the small settlements of Berowra Waters and Berowra Creek are both located on its banks. The creek is a popular destination for boating, fishing and other outdoor recreational activities.

There are only two crossings of Berowra Creek. Galston Road crosses the upper reaches via a bridge in the Galston Gorge, between Galston and Hornsby Heights. Further downstream, the Berowra Waters Ferry, a toll-free car ferry, crosses between Berowra Waters and Berowra Heights.