Upper level, Blaen-y-nant Molybdenum Trial
Blaen-y-nant farm, Nant Ffrancon. The trial workings are at the right-hand end of the ridge of rocky outcrops ('The Mushroom Garden') in the centre of the image.)
Blaen-y-nant at the foot of Y Llymllwyd and Foel Goch. The trial workings are on the outcrop just above the right-hand end of the deep green field on the valley floor.
Approach to the trial workings. The lower level is in the outcrop directly above the foreground boulder. The upper level is diagonally above this to the left, just above and further to the left of the three slabs.
Drill marks, lower level
Entrance to upper level
Upper level chamber
The dweller slumbers...