Nestled in the High Atlas and located 70km north-east of Agadir, Win-Timdouine cave is one of the natural riches and is also one of the largest caves in Africa and the largest reserve groundwater at the regional level. Moreover, the name Win-Timdouine, which means "Cave of Lakes" in Amazigh, illustrates the existence of lakes within this cave. Discovery expeditions to this cave have highlighted the existence of a diverse wildlife and animals. However, the cave is today far from revealing all its secrets.
Located in the Western High Atlas at an altitude of 1250 m, the Win-Timdouine cave winds more than fifty meters underground on more than 19 km of galleries. A giant underground at the bottom of which flows a river of 7 km and stagnant many pockets of water. "At the entrance of the cavity, four of these" lakes "stretch over 800 meters long, which we have to cross by means of inflatable boats", testifies Jean-Michel Bichain, during a team expedition French-Moroccan speleologists and biologists in 2008.
The Spéléologie association of Agadir works in a voluntary way and frames the people wishing to visit this cave. "It should be noted that exploration of the cave should not be done personally but in the company of speleologists because it can involve risks. In order to make this cave known, we organize volunteer expeditions for the benefit of student researchers, associations and people wishing to discover Win-Timdouine, "explains Mohamed Zyati, ASA President.