The salt mines of Minglanilla Curiosity · Minglanilla, La Manchuela Conquense, Cuenca Image of Minglanilla, not of the place itself. A salt diapir beside the Cabriel gorges was worked from Roman times using the room-and-pillar method, in the hands of private owners, the State and various companies. Now inactive, the complex was declared a site of geological interest in 2013. Photo: Millars (CC BY-SA 3.0 es) What to see and do in Minglanilla