Bath lies on the River Avon and its tributaries such as the River Chew and Midford Brook cross the area .
The city of Bath is the principal settlement in the district , but BANES also covers Keynsham , Midsomer Norton , Radstock and the Chew Valley .
Bath lies on the River Avon and Bath 's tributaries such as the River Chew and Midford Brook cross the area .
The city of Bath is the principal settlement in the district , but BANES also covers Keynsham , Midsomer Norton , Radstock and the Chew Valley .