This is a chalk stream which dries up periodically.

It is frequently produced around the headwaters of chalk streams.

The surface water of chalk streams is commonly described as 'gin clear'.

The chalk streams have been intensively managed for many generations.

It is a chalk stream which supports large stands of bur-reed.

The River Test is a chalk stream in the south of England.

This is most likely in upland areas but also chalk streams.

A typical chalk stream, the Chalke is noted for its brown trout and fish farms.

Chapters 3-5 go into great detail about how, when and where to cast the dry fly on the typical chalk stream.

It is a chalk stream with high quality water and supports a wide variety of wildlife.