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
Canvey Island been discharged into the river by the means of seven sluices (later known as Commissioners Dykes). The completion of the work saw a considerable number of the Dutch engineers take land as payment for their work, and consequently settle on the island. Approximately one-third of Canvey's streets have names of Dutch origin. The coast of Canvey Island was host to the Chapman Lighthouse as briefly described in Joseph Conrad's novel "Heart of Darkness". It is believed that the peril of the mudflats below such shallow waters off the Canvey Island coast prompted the Romans to devise some form of beacon