the los jilgueros ravine is located near the community of atmatla, about three km from the municipal seat. it is an area of pine forests traversed by the san pedro river which has cut a small canyon which is up to 400 meters deep. the ravine has a number of features such as the espinazo del diablo (devil's spine), the balcon de la primavera (sping balcony) and on the west side the balcon del diablo (devil's balcony) which offers views of the large rock outcroppings which resemble human figures, called los frailes (the friars). it also contains the san pedro waterfall, which has a height of about twenty meters. it is possible to swim her.