Mountain range of Mariola (vertiente de Agres) Nature · Agres, El Comtat, Alicante The Agres side forms part of the Sierra de Mariola Natural Park, shared between the comarcas of El Comtat and L'Alcoià and declared a natural park on 8 January 2002, with 17,257 hectares between the provinces of Alicante and Valencia. In the municipality of Agres lies the Teixera d'Agres micro-reserve, the southernmost tile works in Europe, and the sanctuary of the Mare de Déu del Castell, on the slopes of the range. The park is home to around 1,200 plant species, with Aleppo pine woods and mixed forests of ash and maple, and its herbs are distilled into herbero, an aniseed liqueur with a designation of origin. Its highest peak, the Montcabrer, reaches 1,390 metres. Photo: Wikipedia / Wikimedia Commons (CC BY-SA) What to see and do in Agres