The Sierra de Segura occupies the northeast of the province Jaén, bordering Ciudad Real, Albacete, and Granada. His terrain is rugged, with an average altitude of 800 m with a continental climate of hot summers and winters very cold. Like much of the province of Jaén, main Spain and producing olive oil reference level global culture of the region of Sierra de Segura is closely linked to the grove, without which it would be understood. The Olive wood is not only an extraordinary social value economic but also ecological and landscape. In many cases, even the olive trees are interspersed with pine trees. The Denomination of Origin covers only extra virgin olive oil obtained from the Picual (also known as Martene, Loperena or Nevadillo), as principal, with 97% of the area, and Manzanillo varieties Jaén, Royal and Verdala. Regulation states that the oils protected should be prepared at least 90% with the Picual. From the organoleptic point of view, these oils have yellow-colored green, are fruity and aromatic, slightly bitter and spicy with a great stability, so it can be stored for longer.