El Coto Las Canteras

El Coto is one of the most monumental sections of Osuna’s historic quarries. This site forms part of an extensive quarrying area situated to the north of the town, on San Cristóbal Hill, less than one kilometre from the historic centre.

The towering rock faces, stepped terraces, galleries, cuttings and excavated spaces bear witness to centuries of stone extraction. These traces are of considerable ethnological value, preserving the memory of the stonemasons, their techniques and the knowledge passed down through generations. The landscape we see today is therefore the result of the historical occupation of the hill and its continuous transformation by the communities who lived and worked there.

The rock before us is a calcareous sandstone formed during the Late Miocene, when this area lay beneath a shallow sea. Its cross-bedded strata, variations in texture and fossil remains are part of a geological history stretching back millions of years. The properties of this stone, which made it suitable for cutting and dressing into ashlar blocks, encouraged its use as a building material.

Although the use of local stone is documented from Antiquity onwards, quarrying developed considerably during the 16th century. During this period, the House of Téllez-Girón promoted an ambitious building programme intended to transform the town into the political, religious and cultural centre of its domains. The construction of the Collegiate Church of Nuestra Señora de la Asunción and the foundation of the University, both visible from this area, substantially increased demand for stone and help explain the close relationship between the quarries and Osuna’s monumental architectural heritage.

El Coto preserves evidence of the two methods of quarrying employed in the area. In the outer sections, vertical quarry faces, stepped terraces and rectangular recesses left by the removal of stone blocks can still be identified. Elsewhere, the arrangement of the strata led workers to excavate into the hillside in search of better-quality stone. The progressive excavation of its interior created an enormous covered gallery, supported by pillars and masses of rock of cyclopean proportions. The result is an awe-inspiring space, resembling a vast cathedral carved out of sandstone, which reaches a height of twenty-five metres in places. Here, the walls curve and widen towards the base, joining irregularly through a succession of surfaces, edges and changes in level. Its immense dimensions, sloping walls and lofty ceilings also provide acoustic conditions that have favoured its adaptation as an auditorium and a venue for concerts, performances and celebrations.

Following the disappearance of traditional quarrying during the 1960s and 1970s, the excavated spaces were adapted to new purposes. The site was used to store carts and, from 1979 onwards, as a storage silo for sunflower seeds. The exhibition of agricultural implements preserved inside recalls these uses and the historical importance of agriculture in the Osuna countryside.

The modern restoration of El Coto transformed the former quarry into a space dedicated to art, landscape and culture. The rock was integrated with more than four thousand square metres of gardens, where vegetation introduces shapes, colours and textures that contrast with the ochre tones of the sandstone. This intervention was complemented by various contemporary works of art, either carved directly into the rock or created using blocks extracted from the quarry. This process also included the work of Francisco Valdivia, a sculptor from Osuna who created several pieces inspired by the town’s Iberian past and other historical and symbolic references. Among the most notable are the Iberian Lion, the Ram, the Cornu Players and the monumental grape-harvest mural, carved directly into one of the interior walls.

• Arregui Pradas, R. (2003). “Canteras de Osuna. Recuperación de un espacio culturas y geológico” en Cuadernos de los Amigos de los Museos de Osuna, nº 5. Osuna. Págs. 42-43.
• Fajardo de la Fuente, A. (2015). “Las canteras de Osuna, un recurso de extraordinario valor geológico, paisajístico y patrimonial ligado a una actividad milenaria. Testimonios de su abandono, deterioro y de su deseable puesta en valor” en Cuadernos de los Amigos de los Museos de Osuna, nº 17.Págs. 139-149
• Seño Asensio, F. (2008) “Reflexiones sobre un patrimonio olvidado: el oficio de los canteros y las canteras de Osuna” en Cuadernos de los Amigos de los Museos de Osuna, nº 10. Págs. 59-63.
• https://elcotolascanteras.com/