Nidd
The Nidd is a river in North Yorkshire, England. It rises in the hills of Nidderdale and flows southeast through the Nidderdale Area of Outstanding Natural Beauty, passing through Pateley Bridge and Knaresborough before joining the River Ouse.
The Nidderdale valley and river give name to the region, with the Nidd Gorge a notable feature
History and uses: It powered mills and supported local industry; remnants of mills along its banks. Today
Ecology: It supports brown trout and other freshwater species; efforts to improve fish passage.