Chiswick Eyot Chiswick Eyot Chiswick Eyot is a narrow, uninhabited ait (river island) in the River Thames. It is a tree- and reed-covered rise on the Tideway by Chiswick, in the Borough of Hounslow, London, England and is overlooked by St Nicholas Church, Chiswick, the Mall (promenade street) of Hammersmith and by some of the Barnes riverside on the far bank. Excluding tidal mudflats and sandbanks, it is the most downstream island purely on the Thames itself (as the Isle of Sheppey, Canvey Island and two nearby islets in the estuary are co-fed by creeks and in the case of Sheppey by
Dee Estuary channel which it cut through the base of the Wirral Peninsula. The estuary is a major wildlife area and one of the most important estuaries in Britain, amongst the most important in Europe for its populations of waders and wildfowl. The Environment Agency is the Conservation Authority, and the estuary is protected or listed under several schemes: Large parts of the area are within the RSPB's Dee Estuary Nature Reserve. The estuary supports some important natural fisheries, including salmon and trout on their way to and from the freshwater river, as well as sea-fisheries and shell-fisheries, especially cockles. From earliest