Nant yr Arian Lead Mine is a small lead mine with two wheelpits, a ruined crusher house, two buddles, modern adits and tips. Older workings are indicated by an opencast area that is twenty feet (6.1 m) deep, ninety feet long (27.43 m) and six (1.83 m) to ten feet (3.04 m) wide. Stone hammers and wedges have also been found in vicinity.

Claire Parry, RCAHMW, 7 June 2011

SOURCES: Association for Industrial Archaeology: A Guide to the Industrial Archaeology of Mid-Wales, 1984