The Lead Mines are located in Toryreck off of Thomas' Branch Line. Thomas once went past a danger sign and fell down a mine on a section of unstable track. When the lead veins went dry in 1930, the mines closed. Since then, the mines have reopened and are mined for uranium.
- While simply scripted as a mine, there is possibility that the set in the series was made as a prototype for Anopha Quarry.