The AVON is a river that flows through Wiltshire, England. It is a tributary of the River Thames and is approximately 80 miles long. The source of the AVON is in the Cotswolds, and it flows through the towns of Chippenham, Melksham, Trowbridge, Bradford-on-AVON, Bath, and Bristol before joining the River Severn and eventually the Thames. The AVON is an important waterway for navigation and recreation, and is home to a variety of wildlife.