Corporation Island is an island

Island

An island or isle is any piece of sub-continental land that is surrounded by water. Very small islands such as emergent land features on atolls can be called islets, cays or keys. An island in a river or lake may be called an eyot , or holm...

 in the River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

 in England. It is on the Tideway

Tideway

The Tideway is a name given to the part of the River Thames in England that is subject to tides. This stretch of water is downstream from Teddington Lock and is just under long...

 near Twickenham

Twickenham

Twickenham is a large suburban town southwest of central London. It is the administrative headquarters of the London Borough of Richmond upon Thames and one of the locally important district centres identified in the London Plan...

 between Richmond Bridge

Richmond Bridge, London

Richmond Bridge is an 18th-century stone arch bridge in south west London, England, which was designed by James Paine and Kenton Couse, and which crosses the River Thames at Richmond, connecting the two halves of the present-day London Borough of Richmond upon Thames.The bridge, which is a Grade...

 and Richmond Railway Bridge

Richmond Railway Bridge

Richmond Railway Bridge in Richmond, south-west London crosses the River Thames immediately upstream of Twickenham Bridge. It carries National Rail services operated by South West Trains from London Waterloo to Reading, and lies between Richmond and St. Margarets stations.After the railway came to...

 and is opposite the river frontage at Richmond upon Thames, London

London

London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

.

Corporation Island is unpopulated and is heavily wooded with white willows, crack willows and weeping willows, and hybrid black poplars.

Just downstream of Corporation Island are two small islands called Flowerpot Islands. These are almost completely covered by hard surfaces, and have only one or two mature trees in the centre of each.