The '''River Yarrow''' is a [[river]] in [[Lancashire]] in the north west of [[England]]. It is a tributary of the [[River Douglas]].
It rises on Rivington Moor near [[Upper Rivington Reservoir]], passes under the M61 [[motorway]] and the [[Leeds and Liverpool Canal]]. South of [[Chorley]] it is joined by the [[Black Brook]] and broadens out; it passes through [[Yarrow Valley Park]], then flows north, south of [[Euxton]], north of [[Eccleston]], and through [[Croston]]. It is joined by the [[River Lostock]] and joins the [[River Douglas]] east of [[Sollom]] and south of [[Tarleton]].
