In Sperrins country, even the valleys are hilly. Nestled among them, and known as Diarmuid and Gráinne’s bed, is the Glenroan portal tomb. We discovered that, whatever technology they used in 3,000 BC to carry the heavy, flat capstone up its hill, it probably wasn’t a 1.0 litre Fiat Punto. Sawel rests on the border of two counties. This mountain is going to provide two different days, two different approaches, two different adventures. Originally I thought this trip belonged to one twin, but instead it belonged to the other – two different days, two different approaches, two different adventures. ‘Megalithic’ means ‘large stone’. The stone circles and solar alignments at Beaghmore are a minilithic Stonehenge. The Punto strikes again.