I
River, northeastern England.
It is formed in North Yorkshire and flows through York and Selby to join the River Aire. It merges with the River Humber . The lower Ouse is a major transport route for industrial products and raw materials.
II
or Great Ouse
River, central and eastern England.
It rises in {{link=Northamptonshire">Northamptonshire and flows 156 mi (251 km) past Buckingham, Bedford , Huntington, and St. Ives to Earith, then to the North Sea . Locks make the river navigable upstream to Bedford.