Lake San Mauricio is in the Aiguas Tortas and Lake San Mauricio National Park, in the province of Lleida, Spain.
Located at 1910 metres of elevation, this Pyrenean lake receives the waters from the Ratera, Subenuix and Portarró streams, and it's at the bottom of a cirque glacier, an amphitheatre-like depression formed by erosion.
The National Park has some 80 lakes and ranks as the eighth most visited national park in Spain.
Lake San Mauricio, located in the 'enchanted' peaks (Encantats in Catalan language), is a recreational site for residents in the area and occasional visitors, who find in this Pyrenean lake a haven of peace and rest among forests of mountain pine.
The lake is about 1100 metres long and has a volume of 2.6 hm³ thanks to a dam built to increase its capacity. Mountaineering, climbing and skiing are all practised in the area.
In the summer, the Aiguas Tortas and Lake San Mauricio National Park is a popular tourist destination which is well worth a visit.