Green Brook is a minor

river A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of w ...

Lancashire Lancashire ( , ; abbreviated Lancs) is the name of a historic county, ceremonial county, and non-metropolitan county in North West England. The boundaries of these three areas differ significantly. The non-metropolitan county of Lancash ...

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe b ...

. It is long, and including

tributaries A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainag ...

, has the

catchment A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, t ...

area of . Green Brook begins at the confluence of ''Hapton Clough'' and ''Habergham Clough'' in Spa Wood, next to the cemetery of

Burnley Burnley () is a town and the administrative centre of the wider Borough of Burnley in Lancashire, England, with a 2001 population of 73,021. It is north of Manchester and east of Preston, Lancashire, Preston, at the confluence of the River C ...

. Hapton Clough is the product of ''Thorny Bank Clough'' and ''Tower Brook'', which meet near Old Barn Farm, in Hapton. While Habergham Clough begins at the confluence of New Barn Clough and Micklehurst Clough, near ''Iron House Farm'', in

Habergham Eaves Habergham Eaves is a civil parish in the borough of Burnley, in Lancashire, England. The parish consists of a rural area south of Burnley, and suburban areas on the outskirts of the town, including a large industrial estate in the north-west co ...

. From Spa Wood, Green Brook heads north, into one tunnel, which passes under the A679 Accrington Road, the

Leeds and Liverpool Canal The Leeds and Liverpool Canal is a canal in Northern England, linking the cities of Leeds and Liverpool. Over a distance of , crossing the Pennines, and including 91 locks on the main line. The Leeds and Liverpool Canal has several small branc ...

, the East Lancashire Railway Line, and the

M65 Motorway The M65 is a motorway in Lancashire, England. It runs from just south of Preston through the major junction of the M6 and M61 motorways, east past Darwen, Blackburn, Accrington, Burnley, Brierfield, Nelson and ends at Colne. History The ...

, to emerge at ''Lowerhouse Lodges''. In Lowerhouse, it collects Sweet Clough, and turns west into

Padiham Padiham ( ) is a town and civil parish on the River Calder, about west of Burnley, Lancashire, England. It forms part of the Borough of Burnley. Originally by the River Calder, it is edged by the foothills of Pendle Hill to the north-west ...

, where it collects Shaw Brook, and then continues northwest, flowing into the River Calder in the centre of the town.

References

Rivers of Lancashire Rivers of Burnley Calder catchment {{England-river-stub