Most of the vegetation is mixed- and conifer forests, covering about 20% of the municipality. The most common trees include cedars, holm oaks, eucalyptus, ash, strawberry trees, pines, oaks and weeping willows. Wild animals include small and medium-sized mammals such as squirrels, rabbits and foxes as well as reptiles such as chameleons, rattlesnakes and various small lizards. The northern part of the municipality near the Jocotitlán volcano is now a natural reserve where logging is prohibited and reforestation is underway. It is also a state park called the Isidro Fabela State Natural Park.