You can take a train from Stockport to Ashton-under-Lyne via Manchester Piccadilly in around 29 min. Alternatively, Stagecoach Greater Manchester operates a bus from Stockport to Ashton-under-Lyne every 4 hours. Tickets cost $5 and the journey takes 36 min.
From Stockport train to Manchester Piccadilly then train to Guide Bridge. 29 min £26. From Stockport, Warren St/Sainsburys (Supermarket) line 330 bus to Ashton Under Lyne, Cavendish St/Old St (Good Hope Mill). 36 min £3. From Stockport taxi to Ashton-under-Lyne. 10 min £27. From Stockport drive to Ashton-under-Lyne. 10 min £1. From Stockport Uber to Ashton-under-Lyne. 10 min £18. From Stockport walk to Ashton-under-Lyne. 2 h 27 min.