Which port lies at the mouth of the Great Ouse?
River Great Ouse the 20th century, construction of the Cut-Off Channel and the Great Ouse Relief Channel have further altered water flows in the region, and helped to reduce flooding. Improvements to assist navigation began in 1618, with the construction of sluices and locks. Bedford could be reached by river from 1689. A major feature was the sluice at Denver, which failed in 1713, but was rebuilt by 1750 after the problem of flooding returned. Kings Lynn, at the mouth of the river, developed as a port, with civil engineering input from many of the great engineers of the time. With the coming
River Ouse, Sussex Levels. This canalisation created access to a sheltered harbour, Newhaven, which succeeded Seaford as the port at the mouth of the Ouse. The new channel was completed by 1539 and drained the Levels so that much of the valley floor could be reclaimed for pasture. However, shingle continued to accumulate and so the mouth of the Ouse began to migrate eastwards again. In 1648 the Ouse was reported to be unfit either to drain the levels or for navigation. At some time between 1676 and the publication of an Admiralty chart in 1698, the river flowed along the back of