Thames Estuary The new airport would be built on a man-made island in the estuary north of Minster-in-Sheppey There is also some discussion about the need for a Lower Thames Crossing in order to alleviate traffic congestion at Dartford. The Thames Estuary is the focal part of the 21st-century toponym, the "Thames Gateway", designated as one of the principal development areas in Southern England. The appellation Greater Thames Estuary applies to the coast and the low-lying lands bordering the estuary itself. These are characterised by the presence of mudflats, low-lying open beaches and salt marshes, namely the North Kent Marshes and the
Canvey Lake been converted to a lake by the building of a sea wall. Wildlife includes mallards, moorhens and water voles. A shingle bank has been created and reed beds cut back. There is access from Denham Road Canvey Lake Canvey Lake is an 8.3 hectare Local Nature Reserve in Canvey Island in Essex. It is owned by Castle Point Borough Council and managed by the council together with Canvey Island Town Council. On 1 March 2010 Canvey Island Town Council signed a 99 year lease with Castle Point Borough Council to run the site with a committee of two councillor from