Abbey River Tideway where there are two larger islands. It is much smaller than Canvey Island and the Isle of Sheppey and narrowly ahead of Andersey Island facing Abingdon-on-Thames, another market town with an abbey which had multiple medieval mills, another of note being Westminster Abbey, the island of which Thorney Island no longer exists. The outfall of the Abbey River is 400 m above Chertsey Bridge, into the weir pool of Chertsey Weir. The manmade strictly-considered "island" the bypass channel forms is outranked in size since the 2002 completion of the Jubilee River by the example containing Dorney and Eton, Berkshire.
Exe Estuary food for Eurasian oystercatchers ("Haematopus ostralegus"). The estuary is the only British location for the polychaete worm "Ophelia bicornia". The Exe Valley Way Footpath runs south from Starcross, Northwards through the whole of the Exe estuary, and further north to the heights of Exmoor, ending at the source of the River Exe - Exe Head. The route covers almost 50 miles. Exe Estuary The Exe estuary is an estuary on the south coast of Devon, England. The estuary starts just to the south () of the city of Exeter, and extends south for approximately eight miles to meet the English