The teardrop-shaped lake has the following dimensions: the body of water measures 4.2 km long, 2.5 km wide, and 16 km in perimeter. It is located 887.37 meters above sea level between Puente de Ixtla and Jojutla de Juárez in the State of Morelos. It has a maximum storage capacity of 168.9 hm³, a level at which an area of eight km² is flooded and is limited by the threshold of the spillway tunnel located in its southwestern portion, whose elevation is 887.37 meters above sea level. During the rainy season, Tequesquitengo receives water from various tributaries, such as the Honda Ravine and the Muerto Ravine. Its main source of supply are springs that are distributed in different points of the lake itself. Buoy over the church - Tequesquitengo Originally, there was a small lake in the northern part of the current aquifer, on the shore of which the town of San Juan Bautista Tequesquitengo was established. In the mid-19th century, the lake grew in size and gradually flooded the town until it was completely covered. The dome of the church in the old town is marked with a buoy and can be seen 6 meters from the surface.