Geography: Lakes

Mequinenza Reservoir

La Serena Reservoir

Spain, a country in Southwestern Europe known for its rich history, diverse landscapes ranging from the Pyrenees mountains to the Mediterranean coast, and vibrant culture, is home to several significant lakes, each with unique characteristics and ecological importance. Among these, Sanabria Lake, the largest glacial lake in Spain, stands out for its stunning natural beauty and the rich biodiversity of its surrounding environment. The following table provides an overview of Spain's major lakes, focusing on key aspects such as the lake's surface area, its elevation above sea level, its primary water source, and the nature of its outflow.

Lake Name	Area	Elevation	Water Source	Outflow
Alcántara Reservoir	3,162 km² (1,220 mi²)	199 m (653 ft)	Tagus River	Tagus River
Mequinenza Reservoir	1,570 km² (606 mi²)	114 m (374 ft)	Ebro River	Ebro River
Almendra Reservoir	1,032 km² (398 mi²)	195 m (640 ft)	Tormes River	Tormes River
La Serena Reservoir	1,032 km² (398 mi²)	668 m (2,192 ft)	Zújar River	Zújar River
Cijara Reservoir	981 km² (379 mi²)	245 m (804 ft)	Zújar River	Zújar River
Alqueva Reservoir	856 km² (331 mi²)	152 m (499 ft)	Guadiana River	Guadiana River
Buendía Reservoir	635 km² (245 mi²)	611 m (2,005 ft)	Tajo River	Tajo River
Valdecañas Reservoir	553 km² (214 mi²)	235 m (771 ft)	Tagus River	Tagus River
San Juan Reservoir	14 km² (5 mi²)	485 m (1,591 ft)	Alberche River	Alberche River
Riaño Reservoir	13 km² (5 mi²)	1,140 m (3,740 ft)	Esla River	Esla River
Sanabria Lake	3.48 km²(1.34 sq mi)	1,018 m (3,340 ft)	Segundera and Cárdena Rivers	Trefacio River