I
or Lower Avon
River, southwestern England.
Rising in Gloucestershire , it flows 75 mi (121 km) southwest through Bristol and into the Bristol Channel at Avonmouth, Bristol's port. Below Bristol it has cut through a limestone ridge to form Clifton Gorge, noted for its suspension bridge.
II
or Upper Avon
River, central England.
Rising in Northamptonshire , it flows 96 mi (154 km) southwest into the River Stratford , where {{link=Shakespeare, William">William Shakespeare was born.