Eagley Brook is a small river

River

A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

 of Lancashire

Lancashire

Lancashire is a non-metropolitan county of historic origin in the North West of England. It takes its name from the city of Lancaster, and is sometimes known as the County of Lancaster. Although Lancaster is still considered to be the county town, Lancashire County Council is based in Preston...

 and Greater Manchester

Greater Manchester

Greater Manchester is a metropolitan county in North West England, with a population of 2.6 million. It encompasses one of the largest metropolitan areas in the United Kingdom and comprises ten metropolitan boroughs: Bolton, Bury, Oldham, Rochdale, Stockport, Tameside, Trafford, Wigan, and the...

 in 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...

.

Rising at the confluence

Confluence

Confluence, in geography, describes the meeting of two or more bodies of water.Confluence may also refer to:* Confluence , a property of term rewriting systems...

 of several smaller streams at Old Man's Hill in the West Pennine Moors

West Pennine Moors

The West Pennine Moors cover an area of approximately of moorland and reservoirs in Lancashire and Greater Manchester, England.The West Pennine Moors are separated from the main Pennine range by the Irwell Valley. The moorland includes Withnell, Anglezarke and Rivington Moors in the extreme west,...

, the brook almost immediately feeds Belmont Reservoir

Belmont Reservoir

Belmont Reservoir is a reservoir north of the small moorland village of Belmont, Lancashire, England fed by the Belmont Brook. It was built in 1826 by the Bolton Waterworks to supply water to the rapidly expanding town of Bolton. Belmont was once a thriving industrial centre for stone quarrying...

, after which it moves south and south east, passing the village of Belmont

Belmont, Lancashire

Belmont is a village in Lancashire, England. It is close to Winter Hill between the towns of Bolton and Darwen. It has around 500 inhabitants and lies within the civil parish of North Turton in the unitary authority area of Blackburn with Darwen.-History:...

 and collecting several tributaries and traversing the Longworth Clough, emerging close to Egerton

Egerton, Greater Manchester

Egerton, pronounced edgerton, is a village in the unparished area of South Turton, in the Metropolitan Borough of Bolton, Greater Manchester, England. Historically part of Lancashire, it is situated three miles north of Bolton and 12 miles north west of Manchester City Centre within the West...

.

From there, the river goes south, through Eagley

Eagley

Eagley is a village of the unparished area of South Turton, in the Metropolitan Borough of Bolton, Greater Manchester, England. Historically part of Lancashire, it lies on southern slopes of the West Pennine Moors....

 near Bromley Cross

Bromley Cross

Bromley Cross is a suburb of the unparished area of South Turton in the Metropolitan Borough of Bolton, Greater Manchester, England. Historically a part of Lancashire, it lies on the southern edge of the West Pennine Moors....

, towards Astley Bridge, after which it joins Astley Brook

Astley Brook

Astley Brook is a river in Greater Manchester, England.Rising at the confluence of Dean Brook and Raveden Brook near Halliwell in the Metropolitan Borough of Bolton, it travels eastward to "Meeting of the Waters", where it meets Eagley Brook to form the River Tonge....

 at Meeting of the Waters to form the River Tonge

River Tonge

The River Tonge is a short river flowing close to Bolton, in Greater Manchester, England.The Tonge is formed at the Meeting of the Waters, where Astley Brook, flowing from the Smithills area in the west, meets the southerly-flowing Eagley Brook...

.

Tributaries

• Hordern (or Ward's) Brook
  • Grange Brook
  • Great Gutte
• Three Nooked Shaw Brook
• Delph Brook
  • Slate Brook
• Gate Brook
• Barley Brook