At Wakefield, it is canalised and becomes the Calder and Hebble Navigation. It is also part of the Aire and Calder Navigation.
... 20.0 km² (7.7 mi²). 11.4 km² (4.4 mi²) of it is land and 8.6 km² (3.3 mi²) of it is water. The total area is 42.82% water. Demographics As ...