Where is the river Aire?

The River Aire is a river in Northern England, United Kingdom. It rises in Malham Tarn on the southern slopes of Penyghent in the Yorkshire Dales National Park. The river flows east through the towns of Skipton and Keighley, before joining the River Calder near Castleford to form the River Ouse. The River Aire is approximately 110 miles long.