ITINERARY: Fuente Piedra - Campillos - Olvera - Algodonales - Villamartín - Arcos de la Frontera - Laguna de Medina.
The main interest of this route is that it provides an excellent opportunity to observe aquatic bird life; most of the lagoons and wet lands on the route are easy to reach and can be visited all year round. The route begins at the Fuente de Piedra lagoon, the largest of the remaining Andalusian salt water lagoons. It is an important nesting place for the flamingo; one may also see the gull-billed tern and the slender-billed gull which also nest there aswell as tthe shelduck, the red-crested pochard and other kinds of anatidae.
The next wet area covered by the route is ensemble of Campillos lagoons, made up of a series of temporary lagoons with many aquatic species. From here the route moves on to the tail of the Bornos reservoir, with an impressive formation of brushwood which provides an habitat where the grey and purple heron, the cattle egret and the night heron can be easily observed, as can the osprey in winter.
The route draws to an end at the Medina lagoon, which is the summer nesting place for species such as the white-headed duck, the purple gallinule and the crested coot; in winter there are great number of birds, and in fact over five thousand coots have been spotted. Amongst others, the flamingo and anatidae coots such as the shelduck and the diving duck are worth mentioning.