Embalse de La Pedrera, Reservoir in Spain

The Embalse de La Pedrera is a reservoir on the Rambla de Alcorisa in the municipality of Orihuela, Alicante province, near the Murcia border. Its gravity dam, completed in 1980, is 61 m high and 716 m long, holding up to 246 hm³. The reservoir surface covers 1272 hectares.

Construction of the dam began in the 1970s and was completed in the 1980s following studies that started in the 1960s. The project was designed to regulate water flow, control flooding, and distribute irrigation water across the region.

Water from La Pedrera is used mainly for irrigation, above all on the Campo de Cartagena, and also for drinking water in some villages of the Vega Baja del Segura, supplied through the Vistabella treatment plant. The reservoir belongs to the Confederación Hidrográfica del Segura.

The reservoir is easily accessible by car with no entry fees. Spring and fall offer the best weather, and visitors can use marked trails along the shoreline and through surrounding hills for walking and cycling.

The reservoir lies in a seismically active zone, and the dam was specially engineered to withstand earthquakes. Much of its water comes from the Tajo-Segura canal, a major water transfer system that brings water from distant regions to the area.