The River Aire is a river in West Yorkshire, England, stretching approximately 148 kilometers. It flows through several towns, including Leeds and Bradford, before joining the Ouse River. The river is known for its scenic beauty and is a popular spot for walking, cycling, and fishing. Historically, the River Aire played a significant role in the industrial development of the region, serving as a vital transportation route for goods. Today, it is also recognized for its ecological importance, supporting various wildlife and plant species along its banks.