The Guadaiza Dam & Reservoir
The Guadaiza reservoir is located between the coastal towns of Marbella and Benahavis, just few minutes from San Pedro de Alcantara. The Guadaiza Dam is situated in the Guadaiza river, near the Loma of Hives (Loma de las Colmenas).
The Guadaiza river runs saws down starting from the Port of Trincheruelas by a landscape of great beauty and lush vegetation.
Other places near the river with natural important for its fauna and vegetation can be the Sierra de las Apretaderas, the Ravine of the Chaparreras, El Pimpollar, the Glen of the Horn, Umbria’s Guadaiza, and so on.
Wildlife: snakes, lizards, dragonflies, galapagos, frogs, martin fisherman, mallards, the Blenio river or fish friar, and so on.
Flora: oaks, gall oaks, pines, ferns, brooms, etc., etc.
The purpose of this dam is to capture the water from the river Guadaiza, its small streams and tributaries stream and transport it through a tunnel with a capacity of 16 m3 / s and length of 9.5 km to the La Concepción Reservoir in Marbella. This is called a “Bypass Dam”
The Guadaiza Dam also collects the water from the Guadalmina and Guadalmansa rivers.
The type of the Guadaiza Dam is Gravity and straight plant, has 23,50 m. height above foundation and a coronation length of 106 m.
The reservoir basin covers an area of 40 km. The Guadaiza dam transferred approximately 12 Hm3./year of water to La Concepción reservoir in Marbella.
The Guadaiza dam has fixed lip and 6 vains.
The dam has an easy and open access to the public.
“Do not forget to respect the natural environment of the reservoir”
Dams are important systems for water supply. This one in particular makes it possible to the Costa del Sol to have water during summer. They are also of ecological importance because of their biodiversity. This section of the Guadaiza river hosts a significant gallery reverbank forest of mainly willows. Forests that occupy the slopes of the dam are frequented by roe deers. The river and backwaters are homes for ducks, grebes, kingfishers, herons and sandpipers, among other species. It is the perfect place to quietly enjoy birdwatching.