This is the first of a series of similar entries examining the various bus routes which criss-cross the South Wales Valleys. I've already written a general preamble called The Last Bus to Everywhere . For the next few posts (barring accident or incident, of course) I want to look more closely at specific areas in turn. I've started with the Cynon Valley for a couple of reasons: mainly because it's where I live, and so I've experienced the problems at first hand on many occasions; but also because its topography makes it rather different from some of the neighbouring valleys. As well as the classic north-south ribbon development centred on the four main towns (Hirwaun, Aberdare, Mountain Ash and Abercynon), there are a couple of smaller branching valleys with distinct communities, and some sizeable villages scattered around the hillsides. It's also possible to drive out of the Cynon Valley in a northerly direction, which isn't true of some of the other valleys in...