The small rotten penstock is here -> https://goo.gl/maps/kReqvwmmQKtwHiiN8Had a walk around macc today as its local to me, it was interesting to try and work out above ground where the stream with the rotten penstock must go. I could only find a short section of it above ground before it disappeared under the road/carpark at one end and under the Silk House/Papa John's at the other
Just down from the sports shops