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Fort Denison

Fort Denison
Photo: Andy Mitchell ( Amitch ), CC BY-SA 2.5 (licence)

Fort Denison, part of the Sydney Harbour National Park, is a heritage-listed former penal site and defensive facility occupying a small island located north-east of the Royal Botanic Garden and approximately 1 kilometre (0.62 mi) east of the Opera House in Sydney Harbour, New South Wales, Australia. The island may have been known as Mattewanye or Muddawahnyuh in the Eora language , and as Pinchgut Island. The site contains time gun, navigational aids and tide gauge facilities.

From Wikipedia, CC BY-SA 4.0.

Address
Pinchgut Island

Place data from OpenStreetMap, © OpenStreetMap contributors, ODbL.

Also listed in Overture Maps open data.

Updated 29 Sept 2026. Something wrong? Tell us.