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.
River Sheppey in the past to power local industry, for example corn and textile mills in the Shepton Mallet area. There may have been more than thirty mills powered by the river and its tributaries in the area of Shepton Mallet, Bowlish and Darshill, although fewer than this number of sites have been positively identified. River Sheppey The River Sheppey has its source in a group of springs west of the village of Doulting, near Shepton Mallet in Somerset, England. It flows through the wetlands to the north of the Polden Hills and ultimately joins the River Brue. From Doulting, the Sheppey