In a compound at the north side of the junction of Mossmark (A76) and Castle (B741) behind an electricity sub station
LOCKED All surface features remain intact with some flaking of the green paint. One ventilation louver on each shaft has a metal shield opening downwards.
January 2015 Access given by permission of the owner. Quite damp inside. The owner allowed the contents to be removed for safekeeping.
Opened in 1964 and closed in 1991.