La Peña Reservoir, lake in Aragon, Spain
La Peña Reservoir is a water storage lake in Aragon, Spain, built to collect water from the Gállego River. The concrete gravity dam stands about 61 meters high with a crown stretching over 111 meters, holding back water that covers roughly 321 hectares across the landscape.
The reservoir was designed by engineer Sevenerio Bello and constructed between 1904 and 1913 to support irrigation and water management in the region. Since its completion, it has remained an essential infrastructure providing water to local agriculture and communities for over a century.
The site is easily reached by car from nearby towns with maintained roads and parking available close to the water. Visitors can walk along shoreline paths and enjoy the open landscape, making it suitable for quiet outings away from crowded areas.
The reservoir receives water from the Gállego River in a steady flow that changes with seasons, showing visitors how the water level rises and falls depending on rainfall and time of year. This natural rhythm demonstrates the balance between the landscape and human engineering working together to sustain the region.
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