Las Lagunas de Zempoala is a National Park in the mountains above Cuernavaca at an altitude of about 2,900 meters (9500 feet) above sea level. The park encompasses seven small lakes of which three, Zempoala, Tonathiua and Prieta, contain water year-round and the other four are seasonal. The surrounding hillsides are covered in forests of pine and other evergreens.
Lots of activities including rowing, sailing, horseback riding and camping. There are many hiking trails to walk and cliffs to scale for the more adventurous.
Access to Las Lagunas de Zempoala is via the Mexico-Cuernavaca highway, either the old highway or the new toll road, turning off at Tres Marias and proceeding toward and past Huitzilac village. You can also take the old highway out of Cuernavaca.