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Mexico–United States border
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<table><tbody><tr><th><ul><li>v</li><li>t</li><li>e</li></ul>Mexico–United States border</th></tr><tr><td></td></tr><tr><td><table><tbody><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Pacific_Ocean/bdxgXRVM">Pacific Ocean</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/El_Chaparral/txMTJ1bl">El Chaparral</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/San_Ysidro_Port_of_Entry/a9nvJlHo">San Ysidro Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/San_Diego_and_Arizona_Eastern_Railway/qBgtHsmx">San Diego and Arizona Eastern Railway</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Cross_Border_Xpress/QaSh6RHq">Cross Border Xpress</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Otay_Mesa_Port_of_Entry/Wz9PsWcg">Otay Mesa Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Tecate_Port_of_Entry/gH52RJVo">Tecate Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/San_Diego_and_Arizona_Eastern_Railway/qBgtHsmx">San Diego and Arizona Eastern Railway</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Calexico_West_Port_of_Entry/NcC7wXqM">Calexico West Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2">Calexico Subdivision (<a href="/facts/Ferromex/mCqwar3f">Ferromex</a> / <a href="/facts/Union_Pacific_Railroad/n9y9FccK">UP</a>)</td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Calexico_East_Port_of_Entry/RJlS9F6k">Calexico East Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Andrade_Port_of_Entry/NtrnAhwG">Andrade Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Colorado_River/yGEJtRAJ">Colorado River</a> <table><tbody><tr><td><a href="/facts/California/zLW2vdQJ">California</a></td></tr><tr><td><a href="/facts/Arizona/6ayM3swJ">Arizona</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Baja_California/vJY3AFwn">Baja California</a></td></tr><tr><td><a href="/facts/Sonora/cmLLIFR9">Sonora</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/San_Luis_Port_of_Entry/t681aJdY">San Luis Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/San_Luis_II_Port_of_Entry/XuQ0CBN2">San Luis II Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Lukeville_Port_of_Entry/1MqqjR2E">Lukeville Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Sasabe_Port_of_Entry/7mppeIqI">Sasabe Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Nogales-Mariposa_Port_of_Entry/0xDzeTDk">Nogales-Mariposa Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Nogales-Grand_Avenue_Port_of_Entry/jtpR8bM1">Nogales-Grand Avenue Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2">Nogales Subdivision (<a href="/facts/Ferromex/mCqwar3f">Ferromex</a> / <a href="/facts/Union_Pacific_Railroad/n9y9FccK">UP</a>)</td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Nogales-Morley_Gate_Port_of_Entry/AFMBdTPa">Nogales-Morley Gate Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Naco_Arizona_Port_of_Entry/D13S9PWI">Naco Arizona Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Douglas_Port_of_Entry/5TM8lMTx">Douglas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Arizona/6ayM3swJ">Arizona</a></td></tr><tr><td><a href="/facts/New_Mexico/wosJCGaW">New Mexico</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Sonora/cmLLIFR9">Sonora</a></td></tr><tr><td><a href="/facts/Chihuahua_(state)/FCeDVWL0">Chihuahua</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Antelope_Wells_Port_of_Entry/grqxTg9v">Antelope Wells Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Columbus_New_Mexico_Port_of_Entry/Y2sqXYnN">Columbus New Mexico Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Santa_Teresa_Port_of_Entry/cBDyCVS2">Santa Teresa Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Rio_Grande/utfAg59u">Rio Grande</a> <table><tbody><tr><td><a href="/facts/New_Mexico/wosJCGaW">New Mexico</a></td></tr><tr><td><a href="/facts/Texas/B987WHF0">Texas</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Ferromex/mCqwar3f">Ferromex</a> / <a href="/facts/Union_Pacific_Railroad/n9y9FccK">UP</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/El_Paso_PDN_Port_of_Entry/3XLrGbjD">El Paso PDN Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Ferromex/mCqwar3f">Ferromex</a> / <a href="/facts/Union_Pacific_Railroad/n9y9FccK">UP</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/El_Paso_Stanton_Street_Port_of_Entry/DsCVVkkU">El Paso Stanton Street Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/El_Paso_BOTA_Port_of_Entry/8TNYLDdT">El Paso BOTA Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/El_Paso_Ysleta_Port_of_Entry/X8F88U0r">El Paso Ysleta Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Marcelino_Serna_Port_of_Entry/lDwEc4TS">Marcelino Serna Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Fort_Hancock_Port_of_Entry/cdzR9I1l">Fort Hancock Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Presidio_Texas_Port_of_Entry/oaLBAmqM">Presidio Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Presidio%25E2%2580%2593Ojinaga_International_Rail_Bridge/vCbE6DVY">Presidio–Ojinaga International Rail Bridge</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Chihuahua_(state)/FCeDVWL0">Chihuahua</a></td></tr><tr><td><a href="/facts/Coahuila/8VsFdVGR">Coahuila</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Boquillas_Port_of_Entry/pudQcsv0">Boquillas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Amistad_Reservoir/ck5T0I0S">Amistad Reservoir</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Amistad_Dam_Port_of_Entry/MY2KrKVR">Amistad Dam Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Del_Rio_Texas_Port_of_Entry/dWRjcezX">Del Rio Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Eagle_Pass_Port_of_Entry/JN62BrtX">Eagle Pass Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Eagle_Pass_Camino_Real_Port_of_Entry/EQQFUCmP">Eagle Pass Camino Real Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Union_Pacific_International_Railroad_Bridge_(Eagle_Pass%25E2%2580%2593Piedras_Negras)/pzWkWHBF">Union Pacific International Railroad Bridge</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Coahuila/8VsFdVGR">Coahuila</a></td></tr><tr><td><a href="/facts/Nuevo_Le%25C3%25B3n/Hx950xAz">Nuevo León</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Laredo_Colombia_Solidarity_Port_of_Entry/o4afkKda">Laredo Colombia Solidarity Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"> <table><tbody><tr><td><a href="/facts/Nuevo_Le%25C3%25B3n/Hx950xAz">Nuevo León</a></td></tr><tr><td><a href="/facts/Tamaulipas/T3r0THFN">Tamaulipas</a></td></tr></tbody></table> </td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Laredo_World_Trade_Port_of_Entry/f7ahxIz2">Laredo World Trade Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Texas_Mexican_Railway_International_Bridge/eRpmUfy9">Texas Mexican Railway International Bridge</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Laredo_Convent_Avenue_Port_of_Entry/jmxPKGaX">Laredo Convent Avenue Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Laredo_Juarez%25E2%2580%2593Lincoln_Port_of_Entry/G0KKmURQ">Laredo Juarez–Lincoln Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Falcon_International_Reservoir/LG6rGCdw">Falcon International Reservoir</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Falcon_Dam_Port_of_Entry/yVfgVvvu">Falcon Dam Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Roma_Texas_Port_of_Entry/5McnCdTg">Roma Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Rio_Grande_City_Port_of_Entry/cd6LmR0S">Rio Grande City Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Los_Ebanos_Port_of_Entry/hbnGR2zr">Los Ebanos Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Anzalduas_Port_of_Entry/Itj2jg1v">Anzalduas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Hidalgo_Texas_Port_of_Entry/awt11p85">Hidalgo Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Pharr_Texas_Port_of_Entry/a5cbgHI9">Pharr Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Donna_Texas_Port_of_Entry/qbaojFyr">Donna Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Progreso_Texas_Port_of_Entry/v0pztNN4">Progreso Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Los_Indios_Texas_Port_of_Entry/S0v7v1nF">Los Indios Texas Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2">West Rail Bypass International Bridge</td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Brownsville_%2526_Matamoros_International_Bridge/P5JYrnyp">Brownsville & Matamoros International Bridge</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Brownsville_%25E2%2580%2593_B%2526M_Port_of_Entry/nEorjBTC">Brownsville – B&M Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Brownsville_Gateway_Port_of_Entry/nGwey6tu">Brownsville Gateway Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Brownsville_%25E2%2580%2593_Veterans_Port_of_Entry/jvBT5Q4m">Brownsville – Veterans Port of Entry</a></td></tr><tr><td colspan="2"></td><td></td><td></td><td></td><td colspan="2"><a href="/facts/Gulf_of_Mexico/bGE5s57G">Gulf of Mexico</a></td></tr><tr><td></td><td></td><td></td><td></td><td></td><td></td><td></td></tr></tbody></table></td></tr></tbody></table> <p>The <a href="/facts/International_border/82NnNLR0">international border</a> separating <a href="/facts/Mexico/IT5bwhdh">Mexico</a> and the <a href="/facts/United_States/P0sCdLe5">United States</a> extends from the <a href="/facts/Pacific_Ocean/bdxgXRVM">Pacific Ocean</a> in the west to the <a href="/facts/Gulf_of_Mexico/bGE5s57G">Gulf of Mexico</a> in the east. The border traverses a variety of terrains, ranging from urban areas to deserts. It is the <a href="/facts/List_of_Mexico%25E2%2580%2593United_States_border_crossings/tCsuSKd7">most frequently crossed</a> border in the world with approximately 350 million documented crossings annually. <a href="/facts/Illegal_immigration_to_the_United_States/BtcLkouj">Illegal crossing of the border to enter the United States</a> has caused the <a href="/facts/Mexico%25E2%2580%2593United_States_border_crisis/r4mlaxxz">Mexico–United States border crisis</a>. It is one of two international borders that the United States has, the other being the northern <a href="/facts/Canada%25E2%2580%2593United_States_border/Q7TTKItn">Canada–United States border</a>; Mexico has two other borders: <a href="/facts/Belize-Mexico_border/QR41KyPU">with Belize</a> and <a href="/facts/Guatemala-Mexico_border/qE9apN0t">with Guatemala</a>. </p><p>Four American <a href="/facts/Sun_Belt/6zBneV5F">Sun Belt</a> states border Mexico: <a href="/facts/California/zLW2vdQJ">California</a>, <a href="/facts/Arizona/6ayM3swJ">Arizona</a>, <a href="/facts/New_Mexico/wosJCGaW">New Mexico</a> and <a href="/facts/Texas/B987WHF0">Texas</a>. One definition of <a href="/facts/Northern_Mexico/uMdj9hJ2">Northern Mexico</a> includes only the six Mexican states that border the U.S.: <a href="/facts/Baja_California/vJY3AFwn">Baja California</a>, <a href="/facts/Chihuahua_(state)/FCeDVWL0">Chihuahua</a>, <a href="/facts/Coahuila/8VsFdVGR">Coahuila</a>, <a href="/facts/Nuevo_Le%25C3%25B3n/Hx950xAz">Nuevo León</a>, <a href="/facts/Sonora/cmLLIFR9">Sonora</a> and <a href="/facts/Tamaulipas/T3r0THFN">Tamaulipas</a>. It is the tenth-longest border between two countries in the world. The total length of the continental border is 3,145 kilometers (1,954 miles). From the Gulf of Mexico, it follows the course of the <a href="/facts/Rio_Grande/utfAg59u">Rio Grande (Río Bravo del Norte)</a> to the border crossing at <a href="/facts/Ciudad_Ju%25C3%25A1rez/HofCcQYd">Ciudad Juárez</a>, Chihuahua, and <a href="/facts/El_Paso%2c_Texas/SanXJ0WE">El Paso, Texas</a>. Westward from <a href="/facts/El_Paso%25E2%2580%2593Ju%25C3%25A1rez/vXuTybSF">El Paso–Juárez</a>, it crosses vast tracts of the <a href="/facts/Chihuahuan_Desert/I4IcslAA">Chihuahuan</a> and <a href="/facts/Sonoran_Desert/RqlWcLnd">Sonoran</a> deserts to the <a href="/facts/Colorado_River_Delta/6uaJTNKH">Colorado River Delta</a> and <a href="/facts/San_Diego%25E2%2580%2593Tijuana/WP9vW0sh">San Diego–Tijuana</a>, before reaching the Pacific Ocean. </p>