The River Pang is a small chalk stream

Chalk stream

Chalk streams have characteristics which set them apart from watercourses associated with other rock types.Aside from those with an interest in the geological and ecological disciplines, the term chalk stream is most widely used among a small group of fly fishermen ,...

 river in the west of the English

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...

 county of Berkshire

Berkshire

Berkshire is a historic county in the South of England. It is also often referred to as the Royal County of Berkshire because of the presence of the royal residence of Windsor Castle in the county; this usage, which dates to the 19th century at least, was recognised by the Queen in 1957, and...

, and 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 River Thames

River Thames

The River Thames flows through southern England. It is the longest river entirely in England and the second longest in the United Kingdom. While it is best known because its lower reaches flow through central London, the river flows alongside several other towns and cities, including Oxford,...

. It runs for approximately 23 kilometres (14.3 mi) from its source near the village of Compton

Compton, Berkshire

Compton is a village and civil parish in the River Pang valley in the Berkshire Downs about south of Didcot. It has a population of 1,521. The Pang flows through the village as a winter bourne, a stream that only flows after periods of unusually high rainfall.-Parish church:The bell tower of the...

 to its confluence with the Thames in the village of Pangbourne

Pangbourne

Pangbourne is a large village and civil parish on the River Thames in the English county of Berkshire. Pangbourne is the home of the independent school, Pangbourne College.-Location:...

.

The river, and its water voles, are thought to have inspired author Kenneth Grahame

Kenneth Grahame

Kenneth Grahame was a Scottish writer, most famous for The Wind in the Willows , one of the classics of children's literature. He also wrote The Reluctant Dragon; both books were later adapted into Disney films....

's character Ratty and his book The Wind in the Willows

The Wind in the Willows

The Wind in the Willows is a classic of children's literature by Kenneth Grahame, first published in 1908. Alternately slow moving and fast paced, it focuses on four anthropomorphised animal characters in a pastoral version of England...

.
The river's source is normally near the village of Compton

Compton, Berkshire

Compton is a village and civil parish in the River Pang valley in the Berkshire Downs about south of Didcot. It has a population of 1,521. The Pang flows through the village as a winter bourne, a stream that only flows after periods of unusually high rainfall.-Parish church:The bell tower of the...

, although the exact location varies depending on rainfall levels.