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Castles in Australia

14 landmarks in the Castlemap atlas — every one mapped with a photo and its story, 11 with sourced founding dates, ranked by Wikipedia coverage and real readership.

The most famous castle in Australia is Fort Denison, ranked #2,319 of 8,133 in the world — followed by Bare Island Fort and Fort Nepean.

The Castlemap atlas charts 13 fortresses and 1 ruin in Australia. Every one is plotted with its photo and story on the interactive castle map of Australia.

Map of castles in Australia

The northernmost is Fort Cowan Cowan, the southernmost South Channel Fort — about 1,478 km apart.

See them on the map →

When they were built

Of the 14 landmarks mapped in Australia, 11 carry a sourced founding date. Most were founded in the 19th century — 8 of them. 11 were built after 1700.

All 14 castles in Australia

Fort Denison
Fortress · 18th century · #1 in Australia
Fort Denison, part of the Sydney Harbour National Park, is a heritage-listed former penal site and defensive facility occupying a small island…
Bare Island Fort
Fortress · 19th century · #2 in Australia
Bare Island is a heritage-listed islet located at La Perouse, New South Wales in the Eastern Suburbs of Sydney in eastern Australia.
Fort Nepean
Fortress · 19th century · #3 in Australia
Fort Nepean is a former defensive facility occupying part of Point Nepean, Victoria, Australia.
South Channel Fort
Fortress · 19th century · #4 in Australia
South Channel Fort, also known as South Channel Island, is a 0.7 ha artificial island in southern Port Phillip, Victoria, Australia, 6 km north-east…
Fort Scratchley
Fortress · 19th century · #5 in Australia
Fort Scratchley, a former coastal defence installation, is now a museum. It is located in Newcastle East, a suburb of Newcastle, New South Wales in…
Fort Macquarie
Ruin · 19th century · #6 in Australia
Fort Macquarie was a square castellated battlement fort built in 1798 at Bennelong Point, Sydney, New South Wales, Australia, on the site where the…
Fort Queenscliff
Fortress · 19th century · #7 in Australia
Fort Queenscliff, in Victoria, Australia, dates from 1860 when an open battery was constructed on Shortland's Bluff to defend the entrance to Port…
Fort Lytton
Fortress · #8 in Australia
Fort Lytton is a heritage-listed 19th-century coastal fort in the suburb of Lytton in Brisbane, Queensland, Australia.
Fort Glanville
Fortress · 19th century · #9 in Australia
Fort Glanville Conservation Park is a protected area located in the Australian state of South Australia located in Semaphore Park, a seaside suburb…
Middle Head Fortifications
Fortress · #10 in Australia
The Middle Head Fortifications is a heritage-listed former defence establishment and military fortifications and now public space located at Middle…
Bradleys Head Fortification Complex
Fortress · 19th century · #11 in Australia
The Bradleys Head Fortification Complex is a heritage-listed former mast and defensive battery and military fortification and now war memorial and…
Fort Cowan Cowan
Fortress · 20th century · #12 in Australia
Fort Cowan Cowan is a heritage-listed World War II fortification at 30 Jessie Wadsworth Street, Cowan Cowan, Moreton Island, City of Brisbane,…
Fort Banks
Fortress · 20th century · #13 in Australia
Fort Banks is an old World War II bunker and fortification complex that was used to protect the approaches to Botany Bay.
Princess Royal Fortress
Fortress · #14 in Australia
Princess Royal Fortress, also known as Albany Forts, was a fortress on the northern shore of Atatürk entrance on Princess Royal Harbour on Mount…

Frequently asked questions

How many castles are in Australia?

The Castlemap atlas maps 14 landmarks (13 fortresses · 1 ruin) in Australia — a curated selection of well-documented landmarks from Wikidata, not a count of every fortification ever built.

What is the most famous castle in Australia?

Fort Denison, ranked #2,319 of 8,133 worldwide in the atlas's fame ranking, founded in the 18th century.