The North Yorkshire River is a river located in the North Yorkshire region of England. It is formed by the confluence of the Ure and Ouse rivers, both of which are tributaries of the River Humber. The Ure is a river that rises in the Yorkshire Dales and flows eastwards for approximately 85 miles before joining the Ouse. The Ouse is a river that rises in the North York Moors and flows eastwards for approximately 100 miles before joining the Ure. Together, the Ure and Ouse form the North Yorkshire River.