Hermon Mine, Cornwall - April 03, 1989
Hermon Mine is believed to be the oldest named mine in Cornwall being first shown on a map circa 1560 it is located at Porthnanven on the southern side of the Cot or Kelynack Valley and extends a short way down the coast.
Production of tin ended in 1915. The mine was explored again in the 1920s, again during World War II and yet again in the 1960s and 70s.
This shows the view across the Porth Nanven showing open workings,.