The River Stour is a river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 in Warwickshire

Warwickshire

Warwickshire is a landlocked non-metropolitan county in the West Midlands region of England. The county town is Warwick, although the largest town is Nuneaton. The county is famous for being the birthplace of William Shakespeare...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

. It is a tributary

Tributary

A tributary or affluent is a stream or river that flows into a main stem river or a lake. A tributary does not flow directly into a sea or ocean...

 of the Avon

River Avon, Warwickshire

The River Avon or Avon is a river in or adjoining the counties of Leicestershire, Northamptonshire, Warwickshire, Worcestershire and Gloucestershire in the Midlands of England...

, which it joins at Stratford-upon-Avon

Stratford-upon-Avon

Stratford-upon-Avon is a market town and civil parish in south Warwickshire, England. It lies on the River Avon, south east of Birmingham and south west of Warwick. It is the largest and most populous town of the District of Stratford-on-Avon, which uses the term "on" to indicate that it covers...

. The source of the River Stour is in Traitors Ford; it joins the Avon at Clifford Chambers.

The River Stour passes through the town of Shipston-on-Stour

Shipston-on-Stour

Shipston-on-Stour is a town and civil parish on the River Stour about south of Stratford-upon-Avon in Warwickshire. It is in the northern part of the Cotswolds, close to the boundaries with Oxfordshire and Gloucestershire....

. The A3400 road

A3400 road

The A3400 is a road in the Midlands of England, running from Hockley Heath to a junction with the A44 near Chipping Norton. At its northern end it joins up with the A34, of which it was originally one section. At its southern end it joins the A44, passing through Woodstock and joining the A34 at...

roughly follows the course of the river from Stratford-upon-Avon, through the villages of Halford, Ettington and Tredington.