Ancient Trees in Mexico City
ancienttrees.app

El Sabino de San Juan
Montezuma Cypress (Taxodium mucronatum). roughly 500 years (legendary date, unverified). Free, standing in a public plazuela (small plaza) in the barrio of San Juan, open at all times.

El Viejo del Agua (Ahuehuete de Santa Catarina)
Montezuma Cypress (Taxodium mucronatum). roughly 700 years (city's own estimate, basis not published). Free, standing beside the Santa Catarina Martir parish/plaza in the historic barrio; publicly visible year round.

Laureano
Indian Laurel Fig (Ficus microcarpa). disputed: sources give 35 years and separately 100-115 years. Free, stands on the public sidewalk at the street corner; visible and reachable at any time.

Ahuehuete de Parque Espana
Montezuma Cypress (Taxodium mucronatum). about 105 years (documented planting date, 21 September 1921). Free, standing inside the public Parque Espana, open daily during park hours.

Ahuehuete del Jardin de San Fernando
Montezuma Cypress (Taxodium mucronatum). not documented. Free, standing inside the small public Jardin de San Fernando, open daily; the adjoining Panteon de San Fernando (a separate, ticketed historic cemetery where Benito Juarez is buried) is not the tree's location.

Ahuehuete de Tacuba
Montezuma Cypress (Taxodium mucronatum). not documented. Free, standing on the public sidewalk (banqueta) at the street corner, visible and reachable at any time.

Ahuehuete de San Diego Churubusco
Montezuma Cypress (Taxodium mucronatum). not documented. Free, standing in the public plaza/park around the former convent (which today houses the Museo Nacional de las Intervenciones); open during park hours.

Ahuehuete de Rio Magdalena (Callejon del Rio)
Montezuma Cypress (Taxodium mucronatum). not documented. Free, standing on a public median (camellon) along the historic Callejon del Rio, following the course of the Rio Magdalena; open at all times.

Fresno de Santa Catarina (Avenida Francisco Sosa)
Shamel Ash (Fraxinus uhdei). not documented. Free, standing on the public sidewalk (banqueta) of the property at number 202, visible and reachable at any time.