The Humber 's a large tidal estuary on the east coast of Northern England. It's formed at Trent Falls, Faxfleet, by the confluence of the tidal River Ouse and the tidal River Trent. From here to the North Sea, it forms part of the boundary between the East Riding of Yorkshire on the north bank and North Lincolnshire and North East Lincolnshire on the south bank. Although the Humber's an estuary from the point at which it's formed, many maps show it as the River Humber. Below Trent Falls, the Hu… (More on Humber)