El Cimatario National Park
[2] The mountain offers panoramic views of Santiago de Querétaro and the surrounding countryside, and is home to several radio and television transmitting towers.A red porous volcanic rock called tezontle is common, and was quarried to make bricks and construct baths and bread ovens.[2] El Cimatario National Park includes portions of the Bajío dry forests and Central Mexican matorral ecoregions.Small trees, which typically have small leaves and spines, include Acacia schaffneri, Acacia farnesiana, Ipomoea mucuroides, Karwinskia humboldtiana, Anisacanthus quadrifidus, Anisacanthus pumilus, Calliandra eriophylla, Condalia velutina, Croton ciliatoglandulifer, and Zaluzania augusta var.Grasses up to 30 cm high are the predominant plants, with Melinis repens, Chloris gayana, Cynodon dactylon, Bromus carinatus, Setaria grisebachii, and Sporobolus atrovirens the most common species, along with scattered shrubs of Eysenhardtia polystachya.