It lies between the towns of Cockaigne and Badolatosa, on a surface 519 Acres that can be accessed via the road between Badolatosa with Corcoya. Is Malpasillo reservoir formed on the river Genil, with steep relief, sits on floor consists of marl yasíferas. In the vegetation of its banks is remarkable the abundance of reeds, reeds, cattails and scrub Mediterranean Labiatae and legumes on the slopes and some spring daffodils on the rocks.
This place is the perfect setting for the swan, being able to also find the ruddy duck. Birds are the most abundant Mallard duck real, teals, the spoon and the marsh harrier. In winter there is a large concentration of waterfowl. This area has been designated as Special Protection Area .
The Natural Paraje Cordobilla also formed on Genil, with an amplitude of 1.460 Hectares. It is accessed by road from Badolatosa with Puente Genil, is surrounded by farmland, in an area where the predominant crops are olives, cereal and some other irrigated crops.
The Swamp, settles into a gentle relief and open and its banks are covered with abundant vegetation, among which include reeds, cattails andreeds, its banks provide shelter to an abundant aquatic fauna.
Most of the reservoir is shallow which has enabled the emergence of vegetation within the same, so we can find a forest of tamarisk in the mouths of the rivers Anzur, Lucena and Genil.
At the dam there is a variety of waterfowl, como el calamón ,la grulla, la cigüeñuela y el andarríos chico también las garzas advantage to catch fish on its banks.