East-west tramroad extension linking the quarries Disgwylfa and Darren East. Now utilised as part of a trackway from Waun Watcyn to the top of the common, 2m wide. Tramroad still evident 1.5m wide raised 0.5m, the surface is grassed and stable, and large stone blocks mark the edge of the tramroad.

N. Tinkley, John Winterburn Archaeological Services, August. 2005