Leave Swansea via the A483 and join the M4 at junction 42 heading East. Leave the M4 at junction 40 (Tailbach) and proceed up the valley along the A4107. At the top of the valley (approx. 16 km from M4 jnc. 40) keep going and follow the road over the mountain until you arrive at a junction. Turn left here and follow the A4061 down into the Rhondda Fawr Valley. Turn left at the bottom of the mountain road and then first right into Treorchy. At the traffic lights, turn right and follow the A4058 to Ystrad. At Ystrad, take the A4233 over the mountain, and turn left at the roundabout at the bottom of the other side. You are now in Tylorstown. The journey covers a distance of approximately 47 km and takes about 50 mins (depending on the traffic).
