The canal essentially follows river valleys, shadowing the course of tributaries, to break through the watershed between the Trent and Severn north-west of Wolverhampton, at the Aldersley Gap, a minor glacial feature turned to advantage by Brindley.
The canal essentially follows river valleys shadowing the course of tributaries to break through the watershed between the Trent and Severn north-west of Wolverhampton at the Aldersley Gap a minor glacial feature turned to advantage by Brindley