Aia ma nā mokuʻāina ʻo Puebla a me Oaxaca, uhi ia i kahi o 490 186 ha.
Ma ka wahi he ululāʻau deciduous tropical, ulu lāʻau ʻooi, nāhelehele a me ka scrub xerophilous, ulu lāʻau ʻoka a me ka ulu lāʻau pine-ʻoka 2,703 mau ʻano o nā mea kanu vascular i hoʻopaʻa ʻia a me kahi endemism ʻoi aku ma mua o 30%. ʻO ke awāwa ʻo Tehuacán-Cuicatlán i manaʻo ʻia ke kikowaena o nā mea ola honua, hāʻawi ʻia i ka helu o nā ʻano a me nā endemism e kū nei, ua hoʻokumu ʻia kahi hiʻohiʻona e ka cacti kolamu, e like me ka hale, nā cardonales, ka izote, ka candelilla, ka lei aliʻi o Kristo, ka ʻelemakule, ka garambullo, ka biznaga, a me ka wāwae ʻelepani a i ʻole ka pā palu, he ʻano endemik, a me kekahi agaves, orchids a me nā ʻelala oyamel i makaʻu i ka make.
Pēlā nō, mai ka ʻike kālaihonua a me ka paleontological o ka ʻike nui ka wahi ma muli o ke ola o nā waihona fossil.
Hoʻomaka ka hoʻopaʻa ʻana mai ke kūlanakauhale ʻo Tehuacán, e hoʻohana ana i nā ala kiʻekiʻe no. 131 a me 125 a me ko lākou mau alanui lua.
