| Limit | Toponym | Mainlithology | Age |
| North | Sierra de Irta | Limestone and Dolomite | Jurassic |
| Northeast | ---- | Limestone Pebble Conglomerate | Paleogene and Neogene |
| West | Sierras de los Perchets y Sernavives | Limestone and Dolomite | Early and Late Cretaceous |
| Southwest | Pico Ferradura | Limestone and Dolomite | Early and Late Cretaceous |
| South | Sierra de Oropesa | Limestone | Early Cretaceous |