The state's largest source is about an hour and a half from San Luis Potosi. With an irregular bottom, its maximum depth is about 36 meters and the water is so clear that visibility can reach 30 meters, which allows us to observe almost the bottom of the spring with ease. Ideal for diving, with an average temperature between 27 and 30 degrees Celsius. Surrounded by lush vegetation, is also ideal for swimming and snorkeling, and although not very large (its size is about 60 meters wide and nearly 300 long), offers a wide area for camping.