Midford Brook is a small river in Somerset

Somerset

The ceremonial and non-metropolitan county of Somerset in South West England borders Bristol and Gloucestershire to the north, Wiltshire to the east, Dorset to the south-east, and Devon to the south-west. It is partly bounded to the north and west by the Bristol Channel and the estuary of the...

, 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 formed by convergence of the Wellow Brook and Cam Brook at Midford

Midford

Midford is a village approximately miles south south east of Bath, Somerset, England within the Cotswold Area of Outstanding Natural Beauty...

 before passing Tucking Mill

Tucking Mill

Tucking Mill is a small hamlet within the parish of Monkton Combe, Somerset, England. It lies on Midford Brook and was a key point on the now disused Somerset Coal Canal....

 and joining the River Avon

River Avon, Bristol

The River Avon is an English river in the south west of the country. To distinguish it from a number of other River Avons in Britain, this river is often also known as the Lower Avon or Bristol Avon...

 close to the Dundas Aqueduct

Dundas Aqueduct

Dundas Aqueduct carries the Kennet and Avon Canal over the River Avon and the Wessex Main Line railway from Bath to Westbury, near Limpley Stoke in Wiltshire, England....

 and the remains of the Somerset Coal Canal

Somerset Coal Canal

The Somerset Coal Canal was a narrow canal in England, built around 1800 from basins at Paulton and Timsbury via Camerton, an aqueduct at Dunkerton, Combe Hay, Midford and Monkton Combe to Limpley Stoke where it joined the Kennet and Avon Canal...

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It has a catchment area of 147.4 km2 which is largely over impermeable Lias

Lias Group

The Lias Group or Lias is a lithostratigraphic unit found in a large area of western Europe, including the British Isles, the North Sea, the low countries and the north of Germany...

. The deep steep sided valleys means that it responds rapidly to rainfall.