Hungry Beach

Flint & Steel Guesthouse was situated on Broken Bay, north of Sydney, Australia. It was constructed from 1920 to 1965. The guesthouse and nearby waterways were resumed by the navy during the second world war. Navy personnel at nearby Hungry Beach were known to have frequented "Flint & Steel". The guesthouse was destroyed by fire in 1971.

The Currawong Workers' Holiday Camp is a heritage-listed former farm and now workers' holiday camp located at Currawong Beach, New South Wales, Australia. It was designed by various parties including the Van Dyke Brothers, Hudsen's Homes and built in 1950. The property is also known as Little Mackerel, Labor Council's Holiday Resort, Unions NSW Currawong Holiday Cottages, and Midholme and Coaster's Retreat. The property is Crown land and owned by the Government of New South Wales. The property was added to the New South Wales State Heritage Register on 12 May 2009.

Great Mackerel Beach is a suburb about 43 kilometres north of the Sydney central business district, from 2016 in the local government area of Northern Beaches Council, Sydney, New South Wales, Australia, formerly part of Pittwater Council. It is on the western shores of Pittwater in Ku-ring-gai Chase National Park, beside Currawong Beach, and near Coasters Retreat and Palm Beach.The resident population was 50 at the 2021 census; the median age was 57, with an average of 0.3 children per family and an average of 1.7 people per household. The population was 36 at the 2016 census, 301 at the 2011 census, and 103 in 2006. As of 2021 there were 111 private dwellings, with many people not listed as residents occupying properties during school holidays and weekends. Great Mackerel Beach is frequently referred to as Mackerel Beach or [Great] Mackeral Beach, although the spelling "Mackerel" is becoming standard.A nearby beach is called Little Mackerel Beach, often referred to as Currawong Beach.

Currawong Beach is a suburb in northern Sydney, in the state of New South Wales, Australia. Currawong Beach is 42 kilometres (26 mi) north of the Sydney central business district, in the local government area of Northern Beaches Council.Currawong Beach is located on the edge of Ku-ring-gai Chase National Park, on the western shores of Pittwater, beside Great Mackerel Beach and north of The Basin. Coasters Retreat and Palm Beach are located nearby.

Adelaide was a wooden cutter used in the cedar trade that was wrecked and lost off the Hawkesbury River in Broken Bay, New South Wales, in July 1837 while carrying a load of cedar. The wreck has not been located, but a vessel of its description was reported capsized between Cabbage Tree Bay and Bird Island at approximately 33.6°S 151.3°E.

The Hawkesbury River, or Hawkesbury-Nepean River, is a river located northwest of Sydney, New South Wales, Australia. The Hawkesbury River and its associated main tributary, the Nepean River, almost encircle the metropolitan region of Sydney. The Hawkesbury River has its origin at the confluence of the Nepean River and the Grose River, to the north of Penrith and travels for approximately 120 kilometres (75 mi) in a north–easterly and then a south–easterly direction to its mouth at Broken Bay, about 15 kilometres (9.3 mi) from the Tasman Sea. The Hawkesbury River is the main tributary of Broken Bay. Secondary tributaries include Brisbane Water and Pittwater, which, together with the Hawkesbury River, flow into Broken Bay and thence into the Tasman Sea north of Barrenjoey Head. The total catchment area of the river is approximately 21,624 square kilometres (8,349 sq mi) and the area is generally administered by the Hawkesbury–Nepean Catchment Management Authority. The land adjacent to the Hawkesbury River was occupied by Aboriginal peoples: the Darkinjung, Darug, Eora, and Kuringgai. They used the river as a source of food and a place for trade. In the languages of the traditional custodians the river is Deerubben or Dyarubbin.In March 2021, the river level rose, and many areas were flooded as part of the March 2021 Australian floods.

Coasters Retreat is a road-inaccessible suburb in northern Sydney, in the state of New South Wales, Australia, 42 kilometres north of the Sydney central business district, in the local government area of Northern Beaches Council.

Patonga is a suburb of the Central Coast region of New South Wales, Australia, located on the north bank of the Hawkesbury River, southwest of Woy Woy. It is part of the Central Coast Council local government area.

The Sydney Sandstone Ridgetop Woodland, also known as Coastal Sandstone Ridgetop Woodland and Hornsby Enriched Sandstone Exposed Woodland, is a shrubby woodland and mallee community situated in northern parts of Sydney, Australia, where it is found predominantly on ridgetops and slopes of the Hornsby Plateau, Woronora Plateau and the lower Blue Mountains area. It is an area of high biodiversity, existing on poor sandstone soils, with regular wildfires, and moderate rainfall.

Pittwater is a semi-mature tide dominated drowned valley estuary, located about 40 kilometres (25 mi) north of the Sydney central business district, New South Wales, Australia; being one of the bodies of water that separate greater Metropolitan Sydney from the Central Coast. Pittwater has its origin from the confluence of McCarrs Creek, to the west of Church Point and a number of smaller estuaries, the largest of which is Cahill Creek, that joins the Pittwater north of Mona Vale. The Pittwater is an open body of water, often considered a bay or harbour, that flows north towards its mouth into Broken Bay, between West Head and Barrenjoey Head, less than 1 kilometre (0.62 mi) from the Tasman Sea. The total area of the Pittwater is 18.4 square kilometres (7.1 sq mi) and around ninety percent of the area is generally administered by the Hawkesbury–Nepean Catchment Management Authority, in conjunction with Northern Beaches Council. The land adjacent to the Pittwater was occupied for many thousands of years by the Kuringgai peoples, an Aboriginal Australian grouping of uncertain origin. They used the river as an important source of food and a place for trade.Pittwater was named Pitt Water in 1788 in honour of William Pitt the Younger, the then Prime Minister of the United Kingdom.

Towlers Bay is a locality in Ku-ring-gai Chase National Park, north of the city of Sydney, New South Wales, Australia, situated on the Northern Beaches. The bay located there, formerly of the same name, was renamed Morning Bay on 31 August 1984. It had been named after Bill Toler, who used to camp in the area in the 19th century.

HMAS Swan was a River-class torpedo-boat destroyer of the Royal Australian Navy (RAN). One of six built for the RAN, Swan was built at Cockatoo Island Dockyard, and entered service in 1916. The early part of the ship's career was spent on blockade duty in the Far East, before she was transferred to the Mediterranean for anti-submarine duty. Apart from performing shore bombardment during the Second Battle of Durazzo, Swan's wartime career was uneventful. The destroyer was placed in reserve in 1920, but was reactivated between 1925 and 1927 and assigned to Tasmania. Swan was decommissioned in 1928, stripped of parts, and sold for use as prisoner accommodation on the Hawkesbury River. After changing hands several times, the hull sank during gale conditions in 1934.