Reservoir of la Pedrera Nature · Orihuela, El Baix Segura, Alicante The Pedrera reservoir is located in the municipality of Orihuela, in the bed of the rambla de Alcorisa, next to the hamlet (pedanía) of Torremendo. It was built in 1980 over an area of 1,272 hectares, with a maximum capacity of 246 hm³, by means of a gravity dam 61 metres high and 716 metres long. It belongs to the Confederación Hidrográfica del Segura and is mostly used for irrigation, above all for the Campo de Cartagena, though it also supplies drinking water to several towns in the Vega Baja del Segura via the Vistabella water-treatment plant. Its turquoise waters are surrounded by arid hills and Mediterranean scrubland. Photo: Xinese-v (Public domain) What to see and do in Orihuela