Tehuacán-Cuicatlán Valley

The cacti stand like sentinels across a sun-cracked valley — tetechos rising 15 metres tall, arms reaching upward, some over a thousand years old. The scale is disorienting. These are not garden cacti but forest cacti, packed so densely they form a canopy. Beneath them, the ground is dry, cracked, and older than the civilisation that first farmed it.

The Tehuacán-Cuicatlán Valley, straddling Puebla and Oaxaca states, was designated a UNESCO World Heritage Site in 2018 as a mixed natural and cultural property. The valley contains the densest columnar cacti forest in the world — tetecho cacti exceeding 15 metres in height and over 1,000 years in age dominate the landscape alongside cardón, garambullo, and hundreds of other succulent species. Archaeological evidence from the valley's caves provides the earliest known evidence of maize domestication, dating back roughly 7,000 years — making this the birthplace of corn, the crop that shaped Mesoamerican civilisation. The arid landscape supports endemic bird species, including the pinnated bittern and the short-crested coquette hummingbird. The annual goat festival in the valley towns produces mole de caderas — a strictly seasonal dish made from the bones of sacrificed goats — available only during October and November. The valley is sparsely visited despite its UNESCO status, and the cactus forests can be explored on foot from several access points near the town of Zapotitlán Salinas.