A ruined limekiln built into, and its top level with, the east side of the towing path of the Glamorganshire Canal (nprn 34425). Correctly annotated as 'Old Limekiln' on the first edition Ordnance Survey map of 1876, it is annotated 'Old Shaft' on later editions.
Site visited B.A.Malaws, RCAHMW, 13 March 1979.