Glorieta Pass (elevation 7500 ft.) is a

mountain pass A mountain pass is a navigable route through a mountain range or over a ridge. Since many of the world's mountain ranges have presented formidable barriers to travel, passes have played a key role in trade, war, and both human and animal migrat ...

in the

Sangre de Cristo Mountains The Sangre de Cristo Mountains ( Spanish for "Blood of Christ") are the southernmost subrange of the Rocky Mountains. They are located in southern Colorado and northern New Mexico in the United States. The mountains run from Poncha Pass in South- ...

of northern

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...

. The pass is at a strategic location near at the southern end of the Sangre de Cristos in east central

Santa Fe County Santa Fe County ( es, Condado de Santa Fe; meaning ''Holy faith'' in Spanish) is located in the U.S. state of New Mexico. As of the 2010 census, the population was 144,170, making it New Mexico's third-most populous county, after Bernalillo Cou ...

southeast of the city of Santa Fe. Historically, the pass provided the most direct route through the mountains between the upper valley of the

Pecos River The Pecos River ( es, Río Pecos) originates in north-central New Mexico and flows into Texas, emptying into the Rio Grande. Its headwaters are on the eastern slope of the Sangre de Cristo mountain range in Mora County north of Pecos, New Mexico ...

to the east and the upper valley of 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 ...

to the west. In the 19th century, it furnished the route of the westernmost leg of the

Santa Fe Trail The Santa Fe Trail was a 19th-century route through central North America that connected Franklin, Missouri, with Santa Fe, New Mexico. Pioneered in 1821 by William Becknell, who departed from the Boonslick region along the Missouri River, t ...

between Santa Fe and the High Plains. The

Battle of Glorieta Pass The Battle of Glorieta Pass (March 26–28, 1862) in the northern New Mexico Territory, was the decisive battle of the New Mexico campaign during the American Civil War. Dubbed the " Gettysburg of the West" by some authors (a term described ...

, the decisive battle of the New Mexico Campaign of the American Civil War, was fought near the pass in March 1862. The victory by the

Union Army During the American Civil War, the Union Army, also known as the Federal Army and the Northern Army, referring to the United States Army, was the land force that fought to preserve the Union of the collective states. It proved essential to the ...

(primarily in the form of the Colorado Militia) prevented the breakout of the

Confederate Army The Confederate States Army, also called the Confederate Army or the Southern Army, was the military land force of the Confederate States of America (commonly referred to as the Confederacy) during the American Civil War (1861–1865), fighting ...

forces onto the High Plains on the east side of

, halting the intended Confederate advance northward along the base of the

Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...

. The battle is commemorated at

Pecos National Historic Park Pecos National Historical Park is a United States National Historical Park in San Miguel and Santa Fe Counties, New Mexico. The park, operated by the National Park Service, encompasses thousands of acres of landscape infused with historical ...

on the east side of the pass. In the 20th century, the pass became used as the route of

U.S. Highway 84 U.S. Route 84 (US 84) is an east–west U.S. Highway that started as a short Georgia–Alabama route in the original 1926 scheme. Later, in 1941, it had been extended all the way to Colorado. The highway's eastern terminus is a short distan ...

and later

Interstate 25 Interstate 25 (I-25) is a major Interstate Highway in the western United States. It is primarily a north–south highway, serving as the main route through New Mexico, Colorado, and Wyoming. I-25 stretches from I-10 at Las Cruces, New Mexi ...

. The town of Glorieta is located on the eastern side of the pass. The stairwells of the Colorado State Capitol Building display cannonballs from the battle as ornaments. In 1879, the New Mexico and Southern Pacific Railroad constructed a railroad through the pass, which became part of the second North American

transcontinental railroad A transcontinental railroad or transcontinental railway is contiguous railroad trackage, that crosses a continental land mass and has terminals at different oceans or continental borders. Such networks can be via the tracks of either a single ...

in March 1881. The NM&SP was absorbed into its parent company, the

Atchison Topeka and Santa Fe Railroad The Atchison, Topeka and Santa Fe Railway , often referred to as the Santa Fe or AT&SF, was one of the larger railroads in the United States. The railroad was chartered in February 1859 to serve the cities of Atchison, Kansas, Atchison and Top ...

in 1899, and the Santa Fe used the route for their Chicago to Los Angeles trains, including the famed ''El Capitan'' and ''

Super Chief The ''Super Chief'' was one of the named passenger trains and the flagship of the Atchison, Topeka and Santa Fe Railway. The streamliner claimed to be "The Train of the Stars" because of the various celebrities it carried between Chicago, Ill ...

''. Now part of the

BNSF BNSF Railway is one of the largest freight railroads in North America. One of seven North American Class I railroads, BNSF has 35,000 employees, of track in 28 states, and nearly 8,000 locomotives. It has three transcontinental routes tha ...

system, this remains the route of

Amtrak The National Railroad Passenger Corporation, doing business as Amtrak () , is the national passenger railroad company of the United States. It operates inter-city rail service in 46 of the 48 contiguous U.S. States and nine cities in Canada. ...

's ''

Southwest Chief The ''Southwest Chief'' (formerly the ''Southwest Limited'' and ''Super Chief'') is a passenger train operated by Amtrak on a route between Chicago and Los Angeles through the Midwest and Southwest via Kansas City, Albuquerque, and Flagstaf ...

'', with one passenger train each direction daily, but little freight. It is one of the last places where semaphore signals are still in use on a major United States railroad.Myrick, David F. ''New Mexico's Railroads'', University of New Mexico Press 1990

External links

''Glorieta and Raton Passes: Gateways to the Southwest''
a National Park Service Teaching with Historic Places (TwHP) lesson plan

References

Mountain passes of New Mexico Rail mountain passes of the United States Sangre de Cristo Mountains Transportation in Santa Fe County, New Mexico Santa Fe Trail Landforms of Santa Fe County, New Mexico Mountain passes of the Rockies {{NewMexico-geo-stub