Accesible by the road connecting Ejea de los Caballeros and Farasdués. It used to be a pond with an endorheic origin that became a dam in the year 1879. It has a capacity of 6 cubic hectometres, with water coming from the Arba river of Luesia. Besides its agricultural functions, it can offer other types of leisure activities: fishing, water sports like sailing and rowing and it also has a resting area. The fishermen’s society “San Bartolomé” manages a municipal building with a fishing school.