The Central Mexican Plateau, also known as the Mexican Altiplano ( es, Altiplanicie Mexicana), is a large arid-to-semiarid
plateau
In geology and physical geography, a plateau (; ; ), also called a high plain or a tableland, is an area of a highland consisting of flat terrain that is raised sharply above the surrounding area on at least one side. Often one or more sides ha ...
that occupies much of northern and central
Mexico
Mexico (Spanish: México), officially the United Mexican States, is a country in the southern portion of North America. It is bordered to the north by the United States; to the south and west by the Pacific Ocean; to the southeast by Guatema ...
. Averaging above sea level, it extends from the
United States border in the north to the
Trans-Mexican Volcanic Belt
The Trans-Mexican Volcanic Belt ( es, Eje Volcánico Transversal), also known as the Transvolcanic Belt and locally as the (''Snowy Mountain Range''), is an active volcanic belt that covers central-southern Mexico. Several of its highest peaks h ...
in the south, and is bounded by the and to the west and east, respectively.
A low east-west mountain range in the state of
Zacatecas
, image_map = Zacatecas in Mexico (location map scheme).svg
, map_caption = State of Zacatecas within Mexico
, coordinates =
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, subdivision_type ...
divides the plateau into northern and southern sections. These two sections, called the Northern Plateau () and Central Plateau (), are now generally regarded by geographers as sections of one plateau.
The Mexican Plateau is mostly covered by
deserts and xeric shrublands
Deserts and xeric shrublands are a biome defined by the World Wide Fund for Nature. Deserts and xeric (ancient Greek xērós, “dry") shrublands form the largest terrestrial biome, covering 19% of Earth's land surface area. Ecoregions in this ...
, with
pine-oak forests covering the surrounding mountain ranges and forming
sky island
Sky islands are topographic isolation, isolated mountains surrounded by radically different lowland environments. The term originally referred to those found on the Mexican Plateau, and has extended to similarly isolated montane ecosystems, hi ...
s on some of the interior ranges. The Mexican Altiplano is one of six distinct physiographic sections of the
Basin and Range Province
The Basin and Range Province is a vast physiographic region covering much of the inland Western United States and northwestern Mexico. It is defined by unique basin and range topography, characterized by abrupt changes in elevation, alternating ...
, which in turn is part of the
Intermontane Plateaus
In the context of physical geography, the Intermontane
Intermontane is a physiographic adjective formed from the prefix " inter-" (''signifying among, between, amid, during, within, mutual, reciprocal'') and the adjective "montane" (inhabiting ...
physiographic division.
In
phytogeography
Phytogeography (from Greek φυτόν, ''phytón'' = "plant" and γεωγραφία, ''geographía'' = "geography" meaning also distribution) or botanical geography is the branch of biogeography that is concerned with the geographic distribution ...
, the
Sonoran Desert
The Sonoran Desert ( es, Desierto de Sonora) is a desert in North America and ecoregion that covers the northwestern Mexican states of Sonora, Baja California, and Baja California Sur, as well as part of the southwestern United States (in Arizona ...
is within the Sonoran
Floristic Province
A phytochorion, in phytogeography, is a geographic area with a relatively uniform composition of plant species. Adjacent phytochoria do not usually have a sharp boundary, but rather a soft one, a transitional area in which many species from both re ...
of the
Madrean Region
The Madrean Region (named after the Sierra Madre Occidental) is a floristic region within the Holarctic Kingdom in North America, as delineated by Armen Takhtajan and Robert F. Thorne. It occupies arid or semiarid areas in the southwestern Unite ...
in southwestern
North America
North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...
, part of the
Holarctic Kingdom
The asterisk ( ), from Late Latin , from Ancient Greek , ''asteriskos'', "little star", is a typographical symbol. It is so called because it resembles a conventional image of a heraldic star.
Computer scientists and mathematicians often voc ...
of the northern
Western Hemisphere
The Western Hemisphere is the half of the planet Earth that lies west of the prime meridian (which crosses Greenwich, London, United Kingdom) and east of the antimeridian. The other half is called the Eastern Hemisphere. Politically, the term We ...
.
While the plateau stretches from north to south, the southern east-west arc of the Central Mexican Plateau from Jalisco to Veracruz states historically as well as today has served as the population nexus of the Mexican nation, it is home to its biggest metro areas of
Guadalajara
Guadalajara ( , ) is a metropolis in western Mexico and the capital of the list of states of Mexico, state of Jalisco. According to the 2020 census, the city has a population of 1,385,629 people, making it the 7th largest city by population in Me ...
,
León,
Querétaro
Querétaro (), officially the Free and Sovereign State of Querétaro ( es, Estado Libre y Soberano de Querétaro, links=no; Otomi language, Otomi: ''Hyodi Ndämxei''), is one of the Political divisions of Mexico, 32 federal entities of Mexico. I ...
,
Morelia
Morelia (; from 1545 to 1828 known as Valladolid) is a city and municipal seat of the municipality of Morelia in the north-central part of the state of Michoacán in central Mexico. The city is in the Guayangareo Valley and is the capital and larg ...
,
Mexico City
Mexico City ( es, link=no, Ciudad de México, ; abbr.: CDMX; Nahuatl: ''Altepetl Mexico'') is the capital and largest city of Mexico, and the most populous city in North America. One of the world's alpha cities, it is located in the Valley o ...
,
Toluca
Toluca , officially Toluca de Lerdo , is the States of Mexico, state capital of the State of Mexico as well as the seat of the Municipality of Toluca. With a population of 910,608 as of the 2020 census, Toluca is the fifth most populous city in M ...
,
Cuernavaca
Cuernavaca (; nci-IPA, Cuauhnāhuac, kʷawˈnaːwak "near the woods", ) is the capital and largest city of the state of Morelos in Mexico. The city is located around a 90-minute drive south of Mexico City using the Federal Highway 95D.
The na ...
, and
Puebla
Puebla ( en, colony, settlement), officially Free and Sovereign State of Puebla ( es, Estado Libre y Soberano de Puebla), is one of the 32 states which comprise the Federal Entities of Mexico. It is divided into 217 municipalities and its cap ...
.
Geography
The Mesa del Norte or northern plateau averages in elevation
above mean sea level
Height above mean sea level is a measure of the vertical distance (height, elevation or altitude) of a location in reference to a historic mean sea level taken as a vertical datum. In geodesy, it is formalized as ''orthometric heights''.
The comb ...
and extends south from the
Rio Grande
The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico.
The length of the Rio G ...
(Río Bravo del Norte) through the states of
Chihuahua,
Coahuila
Coahuila (), formally Coahuila de Zaragoza (), officially the Free and Sovereign State of Coahuila de Zaragoza ( es, Estado Libre y Soberano de Coahuila de Zaragoza), is one of the 32 states of Mexico.
Coahuila borders the Mexican states of N ...
,
Durango
Durango (), officially named Estado Libre y Soberano de Durango ( en, Free and Sovereign State of Durango; Tepehuán: ''Korian''; Nahuatl: ''Tepēhuahcān''), is one of the 31 states which make up the 32 Federal Entities of Mexico, situated in ...
,
Zacatecas
, image_map = Zacatecas in Mexico (location map scheme).svg
, map_caption = State of Zacatecas within Mexico
, coordinates =
, coor_pinpoint =
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, subdivision_type ...
and
San Luis Potosí
San Luis Potosí (), officially the Free and Sovereign State of San Luis Potosí ( es, Estado Libre y Soberano de San Luis Potosí), is one of the 32 states which compose the Federal Entities of Mexico. It is divided in 58 municipalities and i ...
. Various narrow, isolated ridges cross the Mesa del Norte and numerous depressions also dot the region, the largest of which is the
Bolsón de Mapimí
The Bolsón de Mapimí is an endorheic, or internal drainage, basin in which no rivers or streams drain to the sea, but rather toward the center of the basin, often terminating in Swamp, swamps and Ephemeral lake, ephemeral lakes. It is located in ...
. The Río Bravo del Norte and its tributary, the
Río Conchos
The Río Conchos (Conchos River) is a large river in the Mexican state of Chihuahua. It joins the Río Bravo del Norte (known in the United States as the Rio Grande) at the town of Ojinaga, Chihuahua.
Description
The Rio Conchos is the main r ...
, drain portions of the northern plateau, and the
Río Pánuco
Rio or Río is the Portuguese, Spanish, Italian, and Maltese word for "river". When spoken on its own, the word often means Rio de Janeiro, a major city in Brazil.
Rio or Río may also refer to:
Geography Brazil
* Rio de Janeiro
* Rio do Sul, a ...
and its tributaries drain the southeastern corner. Both drain to the
Gulf of Mexico
The Gulf of Mexico ( es, Golfo de México) is an oceanic basin, ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of ...
. Much of the northern plateau comprises internal drainage basins that do not drain to the sea. The
Chihuahuan Desert
The Chihuahuan Desert ( es, Desierto de Chihuahua, ) is a desert ecoregion designation covering parts of northern Mexico and the southwestern United States. It occupies much of far West Texas, the middle to lower Rio Grande Valley and the lo ...
extends across the northern portion of the northern plateau, while the
Meseta Central matorral covers the central portion, and the
Central Mexican matorral
The Central Mexican matorral is an ecoregion of the deserts and xeric shrublands biome of central Mexico. It is the southernmost ecoregion of the Nearctic realm.
Geography
The Central Mexican matorral covers an area of on the southern portion o ...
extends from the southern portion of the northern plateau across the southern plateau.
The Mesa Central or southern plateau is higher than its northern counterpart, averaging in elevation. The southern plateau contains numerous valleys originally formed by ancient lakes. It extends across the states of
Aguascalientes
Aguascalientes (; ), officially the Free and Sovereign State of Aguascalientes ( es, Estado Libre y Soberano de Aguascalientes), is one of the 32 states which comprise the Political divisions of Mexico, Federal Entities of Mexico. At 22°N and ...
,
Jalisco
Jalisco (, , ; Nahuatl: Xalixco), officially the Free and Sovereign State of Jalisco ( es, Estado Libre y Soberano de Jalisco ; Nahuatl: Tlahtohcayotl Xalixco), is one of the 31 states which, along with Mexico City, comprise the 32 Federal En ...
,
Zacatecas
, image_map = Zacatecas in Mexico (location map scheme).svg
, map_caption = State of Zacatecas within Mexico
, coordinates =
, coor_pinpoint =
, coordinates_footnotes =
, subdivision_type ...
,
Guanajuato
Guanajuato (), officially the Free and Sovereign State of Guanajuato ( es, Estado Libre y Soberano de Guanajuato), is one of the 32 states that make up the Federal Entities of Mexico. It is divided into 46 municipalities and its capital city i ...
,
Querétaro
Querétaro (), officially the Free and Sovereign State of Querétaro ( es, Estado Libre y Soberano de Querétaro, links=no; Otomi language, Otomi: ''Hyodi Ndämxei''), is one of the Political divisions of Mexico, 32 federal entities of Mexico. I ...
, and
Michoacán
Michoacán, formally Michoacán de Ocampo (; Purépecha: ), officially the Free and Sovereign State of Michoacán de Ocampo ( es, Estado Libre y Soberano de Michoacán de Ocampo), is one of the 32 states which comprise the Federal Entities of ...
. Several of Mexico's most prominent cities, including Guadalajara, are located in the valleys of the southern plateau. Much of the southern plateau is drained by the
Río Grande de Santiago
The Río Grande de Santiago, or Santiago River, is a river in western Mexico. It flows westwards from Lake Chapala via Ocotlán through the states of Jalisco and Nayarit to empty into the Pacific Ocean. It one of the longest rivers in Mexico, ...
and its tributaries, including the
Río Lerma, which drain west into the
Pacific Ocean
The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
. Tributaries of the Río Pánuco drain the eastern portion of the southern plateau. The Central Mexican matorral covers much of the southern plateau, with the subtropical
Bajío dry forests
The Bajío dry forests is a tropical dry broadleaf forest ecoregion in western−central Mexico.
Geography
The Bajío dry forests lie in the southwestern portion of the Mexican Plateau. They are bounded on the southeast, south, and southwest by ...
occupying the lower portions of the Lerma–Río Grande de Santiago basin. Higher altitudes are covered by
pine–oak woodlands, with oak woodlands and forests at lower elevations, and mixed pine–oak and conifer forests up to the tree line of the volcanoes that surround the southern and western edges.
References
*
* Ricketts, Taylor H., Eric Dinerstein, David M. Olson, Colby J. Loucks, et al. (1999). ''Terrestrial Ecoregions of North America: a Conservation Assessment.'' Island Press, Washington DC.
External links
Mexican Plateau, Mexico City Region Image Science and Analysis Laboratory, NASA-Johnson Space Center. 18 Mar. 2005. ''Earth from Space - Image Information''.
{{Geography topics
Plateaus of Mexico
Basin and Range Province
Floristic regions
Madrean Region
Natural regions
Physiographic regions of Mexico
Physiographic sections
Geography of Mesoamerica
Landforms of Chihuahua (state)
Landforms of Coahuila
Landforms of Durango
Landforms of Zacatecas
Landforms of San Luis Potosí
Landforms of Aguascalientes
Landforms of Jalisco
Landforms of Michoacán
Landforms of Guanajuato
Landforms of Querétaro
Landforms of the State of Mexico
Landforms of Hidalgo (state)
Landforms of Mexico City