Grindley Brook Locks Grindley Brook, Whitchurch, SY13 4QH This staircase of locks can be reached by walking along the Canal or via A41 road. Watch the canal boats pass through the locks and stop for an ice cream or drink at the cafe. Walk along the Sandstone Trail. Share this:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)