This is interesting, stating in Clayton-le-Moors, whereby the second link is in Church:
Clayton-le-Moors - Village in Clayton-le-Moors - Visit Lancashire
'Coincidentally, the half-way point of the Leeds Liverpool canal is in Clayton-le-Moors.'
Can't find a date for this.
Halfway Point on the Leeds/Liverpool Canal:: OS grid SD7429 :: Geograph Britain and Ireland - photograph every grid square!