The county has varied geography from the hills and mountains of the [[Pennines]] and North Yorkshire moors, to the flatlands of the Vale of York and the fen country of the Humberhead Levels. Principal cities in Yorkshire include [[Leeds]], Hull, [[Sheffield]], [[York]], and [[Goole]], Britain' most inland seaport. | The county has varied geography from the hills and mountains of the [[Pennines]] and North Yorkshire moors, to the flatlands of the Vale of York and the fen country of the Humberhead Levels. Principal cities in Yorkshire include [[Leeds]], Hull, [[Sheffield]], [[York]], and [[Goole]], Britain' most inland seaport. |