A large brackish lake with marsh vegetation in some places and many islets. The surrounding area is dominated by cereal fields.
The most important passage site for Grus grus in Europe, it is a major migratory bottleneck, where more than 20,000 cranes regularly pass in spring and autumn. It is also a very important site for wintering wildfowl and for breeding steppic birds.
Pressure/threats to key biodiversity
The main threats are from over-abstraction of water for agriculture and increasing disturbance from visitors, particularly of Grus grus.
National Partial International Partial6,720 ha of IBA covered by Wild Fauna Reserve (Laguna de Gallocanta, 6,720 ha). 6,720 ha of IBA covered by Ramsar Site (Laguna de Gallocanta, 6,720 ha). 6,720 ha of IBA covered by Special Protection Area (Gallocanta, 6,720 ha).