Wisbech Castle Wisbech Castle Wisbech castle is believed to have been a motte-and-bailey castle earthwork castle built to fortify Wisbech, in the Fenland District of Cambridgeshire, England on the orders of William I in 1072. This was probably oval in shape and size as on the line still marked by the Crescent . The Norman castle, reputedly was destroyed during a devastating flood of 1236, the original design and layout is still unknown. It was rebuilt in stone in 1087. In the 15th century repairs were becoming too much for the ageing structure, and it was decided to create a new building,
Wisbech Canal George III. Cap. 92) which was granted on 9 May 1794. This Act formed "The Wisbech Canal Company", which had powers to raise £14,000, with an option to raise an additional £6,000 if required. This was to be used to construct the canal which ran from a junction with the River Nene at Wisbech, to a junction with the Well Creek and the Old River Nene at Outwell. The Well Creek connects to the Great Ouse. In addition, the company had powers to maintain and improve the river from Outwell Church to Salter's Lode Sluice on the Old River Nene.