Yesa Reservoir

The Yesa Reservoir is located in the Pyrenees, and is formed with the damming of the Aragon River, in the Navarre town of Yesa , although the largest area of the reservoir is located in the province of Zaragoza, extending from east to west. It is located to the northwest of the Aragonese province of Zaragoza and to the east of Navarre. Most of it floods lands of the so-called Berdún canal, in the Aragonese region of Jacetania in the municipalities of Sigüés, Ruesta, Escó, and Tiermas. It is known by the nickname Mar de los Pirineos and is located at the entrance of the aforementioned. It is the largest navigable area of Aragon and it is the source of the Bardenas Canal that transfers water to the Ribera area south of Navarra and irrigates the Bardenas Reales and the Cinco Villas region of Zaragoza. It is also used for water supply and as a power station.

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