Clayhill Brook is a small stream

Stream

A stream is a body of water with a current, confined within a bed and stream banks. Depending on its locale or certain characteristics, a stream may be referred to as a branch, brook, beck, burn, creek, "crick", gill , kill, lick, rill, river, syke, bayou, rivulet, streamage, wash, run or...

 in southern 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...

, in the 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...

. It rises at Benham's Gulley in the far West of Burghfield Common and runs through the Northern edge of the Village, forming the border between Burghfield Parish and Sulhamstead

Sulhamstead

Sulhamstead is a village, electoral district and civil parish in Berkshire, England. It lies off the A4 national route between Reading and Thatcham, some west of central London.-Location:thumb|left|250px|1888 Ordnance Survey Parish Boundary Map...

 Parish. The brook, running to the North East, passes through woodland, Omers Gulley, at the edge of the village. The woodland and the brook is a haven for local wildlife in the area, and is a particularly important resource in this respect. At the eastern end of Omer's Gulley, and to the North Eastern End of Burghfield Common, the brook is forded at Ash Lane. It continues North to Northeast past another woodland, Clayhill Copse, and then past Stud Farm and towards Burghfield Village. Along this course of the stream is a sewage treatment works which serves the local communities. Skirting between Burghfield Village and the hamlet of Trash Green, the brook continues Northeast, past Green Farm, under the M4 motorway

M4 motorway

The M4 motorway links London with South Wales. It is part of the unsigned European route E30. Other major places directly accessible from M4 junctions are Reading, Swindon, Bristol, Newport, Cardiff and Swansea...

, and past the gravel pits at Pingewood

Pingewood

Pingewood is a hamlet in the civil parish of Burghfield, to the south of Reading, in the English county of Berkshire. It lies to the Southwest of Burghfield Bridge...

, running closeby to Burghfield Mill. It joins the River Kennet

River Kennet

The Kennet is a river in the south of England, and a tributary of the River Thames. The lower reaches of the river are navigable to river craft and are known as the Kennet Navigation, which, together with the Avon Navigation, the Kennet and Avon Canal and the Thames, links the cities of Bristol...

just to the East of Burghfield Mill, no longer a working mill, but converted to residential apartments.