The Sulphur Springs Valley is a valley in the eastern half of Cochise County, Arizona. The valley covers an approximated vertical rectangle west of the

Chiricahua Mountains The Chiricahua Mountains massif is a large mountain range in southeastern Arizona which is part of the Basin and Range province of the west and southwestern United States and northwest Mexico; the range is part of the Coronado National Forest. ...

–

Dos Cabezas Mountains The Dos Cabezas Mountains are a mountain range in southeasternmost Arizona, United States. The Dos Cabezas Mountains Wilderness lies east of Willcox and south of Bowie in Cochise County. The mountain range's name means Two Heads in Spanish ...

complex. The Sulphur Springs Valley is the large flatland to the west.

Geography

The valley gets its name from two sulfur springs located there. Mule Deer Sulphur Springs Valley Arizona 2014

Drainage is from north to south, with a moderately sized

endorheic basin An endorheic basin (; also spelled endoreic basin or endorreic basin) is a drainage basin that normally retains water and allows no outflow to other external bodies of water, such as rivers or oceans, but drainage converges instead into lakes ...

, named the

Willcox Playa The Willcox Playa is a large endorheic dry lake or sink (playa) adjacent to Willcox, Arizona in Cochise County, in the southeast corner of the state. It is part of the Sonoran Desert ecoregion and is the remnant of a Pleistocene era pluvial Lak ...

, occupying the northern area. The southern portion of the valley drains into Mexico through

Douglas, Arizona Douglas is a city in Cochise County, Arizona, United States that lies in the north-west to south-east running Sulpher Springs Valley. Douglas has a border crossing with Mexico at Agua Prieta and a history of mining. The population was 16,531 in ...

through

Agua Prieta Agua Prieta (English: ''Dark Water'', Opata: ''Bachicuy'') is a town in Agua Prieta Municipality in the northeastern corner of the Mexican state of Sonora. It stands on the Mexico–U.S. border, adjacent to the town of Douglas, Arizona. The mun ...

Sonora Sonora (), officially Estado Libre y Soberano de Sonora ( en, Free and Sovereign State of Sonora), is one of the 31 states which, along with Mexico City, comprise the Administrative divisions of Mexico, Federal Entities of Mexico. The state is d ...

, and into the

Yaqui River The Yaqui River (Río Yaqui in Spanish) (Hiak Vatwe in the Yaqui or Yoreme language) is a river in the state of Sonora in northwestern Mexico. It was formerly known as the Rio del Norte. Being the largest river system in the state of Sonora, th ...

. During plentiful rain the mountain foothills contain plentiful grasslands. The region is otherwise an

arid A region is arid when it severely lacks available water, to the extent of hindering or preventing the growth and development of plant and animal life. Regions with arid climates tend to lack vegetation and are called xeric or desertic. Most ar ...

part of the northeastern

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 ...

, influenced by 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 lower P ...

just southeast in

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

and northwest Chihuahua. The highest mountain areas of this southeast

Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...

section contains

Madrean Sky Islands The Madrean Sky Islands are enclaves of Madrean pine–oak woodlands, found at higher elevations in a complex of small mountain ranges in southern and southeastern Arizona, southwestern New Mexico, and northwestern Mexico. The sky islands are s ...

of mountain

sky islands Sky islands are 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 high-elevation forests. The isolation has si ...

. Sulphur Springs Valley is one of the largest and driest subsections in this otherwise mountainous region. From north to south at the west of the valley are the

Little Dragoon Mountains The Little Dragoon Mountains, are included in the Douglas Ranger District of Coronado National Forest, in Cochise County, Arizona. The summit of the range is the center peak of the three Mae West Peaks, 6 miles northwest of Dragoon, Arizona. The ...

, the

Dragoons Dragoons were originally a class of mounted infantry, who used horses for mobility, but dismounted to fight on foot. From the early 17th century onward, dragoons were increasingly also employed as conventional cavalry and trained for combat ...

, and the

Mule Mountains The Mule Mountains are a north/south running mountain range located in the south-central area of Cochise County, Arizona. The highest peak, Mount Ballard, rises to . Prior to mining operations commencing there, the mountains were heavily fo ...

. The south end of Sulphur Springs Valley also has three small

ranges In the Hebrew Bible and in the Old Testament, the word ranges has two very different meanings. Leviticus In Leviticus 11:35, ranges probably means a cooking furnace for two or more pots, as the Hebrew word here is in the dual number; or perhaps ...

associated with the southern Chiricahua Mountains, the Swisshelm, Pedregosa, and Perella Mountains.

Transportation

The valley is traversed north-south by

U.S. Route 191 U.S. Route 191 (US 191) is a spur of U.S. Route 91 that has two branches. The southern branch runs for from Douglas, Arizona on the Mexican border to the southern part of Yellowstone National Park. The northern branch runs for from the north ...

connecting Douglas, AZ north to Willcox on

Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...

, at the Willcox Playa. Arizona 181 in the east accesses the west and northwest Chiricahua's, including Chiricahua National Monument. It is connected to Arizona 186 which traverses the southwestern foothills of the Dos Cabezas range.

Conservation

The Southeastern Arizona Bird Observatory is active in Cochise County and all of southeast Arizona, especially in the Willcox Playa, where thousands of

sandhill crane The sandhill crane (''Antigone canadensis'') is a species of large crane of North America and extreme northeastern Siberia. The common name of this bird refers to habitat like that at the Platte River, on the edge of Nebraska's Sandhills on t ...

s roost.National Geographic Magazine. (Sandhill Cranes)
/ref> The Sky Island Alliance also has conservancy programs associated with the sky island mountains and their fauna and flora.

References

External links

Article (with map of Chiricahua's and the valley)Map: (west of Chiricahua Mountains)

National Geographic: Masters of Migration (Sandhill Cranes in the Sulphur Springs Valley)
{{Authority control Valleys of Arizona Landforms of Cochise County, Arizona

Geography

Transportation

Conservation

See also

References

External links