Wrigley Brook is a culverted watercourse in

Greater Manchester Greater Manchester is a metropolitan county and combined authority area in North West England, with a population of 2.8 million; comprising ten metropolitan boroughs: Manchester, Salford, Bolton, Bury, Oldham, Rochdale, Stockport, Tam ...

which flows through Heywood and is a tributary of the

River Roch The River Roch is a river in Greater Manchester in North West England, a tributary of the River Irwell. Course Rising on Chelburn Moor (south of Todmorden in the Pennines), the river flows south through Littleborough towards Rochdale where ...

. Originating in the Hareshill area to the South of Heywood, it flows northwards and joins the River Roch at Bottom O' th' Brow.

References

Old Ordnance Survey Maps Lancashire sheet 88.11 by Alan Godfrey and Paul Hindle ().
http://randd.defra.gov.uk/Document.aspx?Document=FD2603_7222_PR.pdf Rivers of the Metropolitan Borough of Rochdale Rivers of Greater Manchester 1 {{England-river-stub