In reply to danp1: ive busses it before and it doesnt take long, the bus station is just down the road from the train station, it takes you very close to mill complex awesome walls is in.
manchester climbing centre is easy to get to, you can hop on a bus prety much right outside picadily train station, the bus stops right outside the climbing centre.
climb uk in rochdale is literaly a couple of mins walk from the train station,
ratho is dooable by train/bus +a walk/thumb
thy're the only ones ive traveled to by train/bus so far.