Biss Wiltshire is a river that flows through the county of Wiltshire in England. It is a tributary of the River Avon and is approximately 25 miles long. The river rises near Tisbury and flows through the towns of Warminster, Westbury, and Trowbridge before joining the River Avon at Bradford-on-Avon.
The river is known for its diverse wildlife, including otters, kingfishers, and brown trout. It is also a popular spot for fishing, with anglers often catching pike, perch, and roach. The river is surrounded by beautiful countryside, with many walking and cycling routes available for visitors to explore.
Despite its natural beauty, the river has faced challenges in recent years, including pollution and flooding. However, efforts are being made to protect and restore the river, including the creation of new wetlands and the installation of fish passes to help fish migrate upstream. Overall, Biss Wiltshire is a valuable natural resource for the county and a wonderful place for visitors to enjoy the great outdoors.