Formosa Island
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Formosa Island is an island in the
River Thames The River Thames ( ), known alternatively in parts as the The Isis, River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the Longest rivers of the United Kingdom, se ...
in England at
Cookham Lock Cookham Lock is a lock with weirs situated on the River Thames near Cookham, Berkshire, about a half-mile downstream of Cookham Bridge. The lock is set in a lock cut which is one of four streams here and it is surrounded by woods. On one si ...
near
Cookham Cookham is a historic River Thames, Thames-side village and civil parishes in England, civil parish on the north-eastern edge of Berkshire, England, north-north-east of Maidenhead and opposite the village of Bourne End, Buckinghamshire, Bourne ...
,
Berkshire Berkshire ( ; in the 17th century sometimes spelt phonetically as Barkeshire; abbreviated Berks.) is a historic county in South East England. One of the home counties, Berkshire was recognised by Queen Elizabeth II as the Royal County of Ber ...
, with two smaller adjacent islands. The island is one of the largest on the non-tidal river Thames with of woodland. It can be reached by footbridge from Cookham. It is between two of the four channels in the river at Cookham, the one closest to Cookham was once the mill stream to a paper mill at Cookham. The one on the other side leads to Odney Weir. The adjacent Mill Island has the lock channel on the other side. Beyond the lock channel is Sashes Island and the channel furthest from Cookham is Hedsor Water, the original navigation channel, which was blocked by the weir in 1830 when the lock was opened, causing loss of trade to then owner Lord Boston.


See also

*
Islands in the River Thames This article lists the islands in the River Thames, or at the mouth of a tributary (marked †), in England. It excludes human-made islands built as part of the building of forty-five two-gate locks which each accompany a weir, and islets subordi ...


References

Islands of Berkshire Islands of the River Thames Cookham {{Berkshire-geo-stub