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Dean Brook is a river in 
Smithills
Smithills is a mainly residential suburb of Bolton in Greater Manchester, England. It is northwest of Bolton, south of Blackburn and northwest of Manchester. Smithills lies on the lower south facing slopes of the West Pennine Moors.
Toponymy
T ...
, Bolton, Greater Manchester, historically within Lancashire.
Dean Brook rises on Smithills Moor and flows in a south-easterly direction, through a deep valley called High Shores Clough. It collects Dakin's Brook at Barrow Bridge
Barrow rail bridge, (or the Barrow viaduct), is a pratt truss type of railway bridge that spans the river Barrow between County Kilkenny and County Wexford in the south east of Ireland. This rural landmark with a length of is the longest ...
and then runs through Smithills before meeting Raveden Brook to form 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 ...
, which subsequently joins Eagley Brook
Eagley Brook (also known during the formative part of its course as Belmont Brook) is a small river of Lancashire and Greater Manchester in England.
Rising at the confluence of several smaller streams at Old Man's Hill in the West Pennine Moors, ...
and forms the River Tonge
The River Tonge is a short river, splitting Bolton from contiguous Tonge, both in Greater Manchester, England.
The Tonge is formed at the ''Meeting of the Waters'', where Astley Brook, from Smithills in the west, meets the Eagley Brook drawing ...
.
The Dean Brook in Smithills, Bolton, should not be confused with a different Dean Brook, which rises on the north-facing slopes of Rivington Moor, flows in a westerly direction just north of Rivington, Lancashire, and empties into Upper Rivington Reservoir. It should also not be confused with Deane Church Brook, also known as the Kirk Brook, which flows through Deane Church Clough in the west of Bolton.
References
Rivers of Greater Manchester Rivers of the Metropolitan Borough of Bolton West Pennine Moors {{England-river-stub