The Sandia-Manzano Mountains are a substantial mountain

Mountain

Image:Himalaya_annotated.jpg|thumb|right|The Himalayan mountain range with Mount Everestrect 58 14 160 49 Chomo Lonzorect 200 28 335 52 Makalurect 378 24 566 45 Mount Everestrect 188 581 920 656 Tibetan Plateaurect 250 406 340 427 Rong River...

 area that defines the eastern edge of the middle Rio Grande

Rio Grande

The Rio Grande is a river that flows from southwestern Colorado in the United States to the Gulf of Mexico. Along the way it forms part of the Mexico – United States border. Its length varies as its course changes...

 valley of central New Mexico

New Mexico

New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...

. They are not only an attractive backdrop to greater Albuquerque, the largest metropolitan area in New Mexico, but their elevation changes provide recreational opportunities including winter skiing

Skiing

Skiing is a recreational activity using skis as equipment for traveling over snow. Skis are used in conjunction with boots that connect to the ski with use of a binding....

 and cool summer hiking

Hiking

Hiking is an outdoor activity which consists of walking in natural environments, often in mountainous or other scenic terrain. People often hike on hiking trails. It is such a popular activity that there are numerous hiking organizations worldwide. The health benefits of different types of hiking...

 or picnic

Picnic

In contemporary usage, a picnic can be defined simply as a pleasure excursion at which a meal is eaten outdoors , ideally taking place in a beautiful landscape such as a park, beside a lake or with an interesting view and possibly at a public event such as before an open air theatre performance,...

ing, as compared to the desert

Desert

A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants. Most deserts have an average annual precipitation of less than...

 grassland

Grassland

Grasslands are areas where the vegetation is dominated by grasses and other herbaceous plants . However, sedge and rush families can also be found. Grasslands occur naturally on all continents except Antarctica...

s, foothills

Foothills

Foothills are geographically defined as gradual increases in elevation at the base of a mountain range. They are a transition zone between plains and low relief hills to the adjacent topographically high mountains.-Examples:...

, and valley

Valley

In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys...

 below. The entire mountain chain comprises two parts, the Sandia Mountains

Sandia Mountains

The Sandia Mountains name posu gai hoo-oo, "where water slides down arroyo") are a mountain range located in Bernalillo and Sandoval counties, immediately to the east of the city of Albuquerque in New Mexico in the southwestern United States. The range is largely within the Cibola National...

 to the north, and the Manzano Mountains

Manzano Mountains

The Manzano Mountains are a small mountain range in the central part of the US State of New Mexico. They are oriented north-south and are about 40 miles long. The center of the range lies about 25 miles southeast of Albuquerque, and the northern foothills are just a few miles east of the edge of...

 to the south, separated by Tijeras Canyon

Tijeras Canyon

Tijeras Canyon is a prominent canyon in the central part of the US state of New Mexico. Tijeras Canyon is often referred to by locals as the I-40 Canyon after the major highway that traverses it, linking Albuquerque and points east. It separates the Sandia Mountains to the north from the Manzano...

, through which runs Interstate 40

Interstate 40

Interstate 40 is the third-longest major east–west Interstate Highway in the United States, after I-90 and I-80. Its western end is at Interstate 15 in Barstow, California; its eastern end is at a concurrency of U.S. Route 117 and North Carolina Highway 132 in Wilmington, North Carolina...

, following the path of historic U.S. Route 66

U.S. Route 66

U.S. Route 66 was a highway within the U.S. Highway System. One of the original U.S. highways, Route 66 was established on November 11, 1926 -- with road signs erected the following year...

.

The Sandia-Manzano Mountains are often considered to be the northernmost major range in the Mexican Highlands geographic province. This differentiates them from the Rocky Mountains

Rocky Mountains

The Rocky Mountains are a major mountain range in western North America. The Rocky Mountains stretch more than from the northernmost part of British Columbia, in western Canada, to New Mexico, in the southwestern United States...

, often considered to end just east of Santa Fe

Santa Fe, New Mexico

Santa Fe is the capital of the U.S. state of New Mexico. It is the fourth-largest city in the state and is the seat of . Santa Fe had a population of 67,947 in the 2010 census...

, at the southern tip of the Sangre de Cristo Mountains

Sangre de Cristo Mountains

The Sangre de Cristo Mountains are the southernmost subrange of the Rocky Mountains. They are located in southern Colorado and northern New Mexico in the United States...

. A substantial distance gap of much lower elevation grasslands and savanna

Savanna

A savanna, or savannah, is a grassland ecosystem characterized by the trees being sufficiently small or widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of C4 grasses.Some...

 exists between the Sangre de Cristos and the Sandia Mountains, and climate conditions shift between both ranges.

This distinction is further made by plant

Plant

Plants are living organisms belonging to the kingdom Plantae. Precise definitions of the kingdom vary, but as the term is used here, plants include familiar organisms such as trees, flowers, herbs, bushes, grasses, vines, ferns, mosses, and green algae. The group is also called green plants or...

, animal

Animal

Animals are a major group of multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and...

, and insect

Insect

Insects are a class of living creatures within the arthropods that have a chitinous exoskeleton, a three-part body , three pairs of jointed legs, compound eyes, and two antennae...

 species that are common in both the Sandia-Manzano Mountains and in other mountainous areas to the south, but diminish quickly in the mountains to the north. These include Quercus turbinella

Quercus turbinella

Quercus turbinella is a species of oak known by the common names Sonoran scrub oak and shrub live oak. It is native to northwestern Mexico and the southwestern United States from far eastern California to southwest Colorado, Rio Grande New Mexico, to west Texas.-Distribution:Quercus turbinella...

, Opuntia engelmannii

Opuntia engelmannii

Opuntia engelmannii is a prickly pear common across the Southwestern United States and northern Mexico. It goes by a variety of common names, including "cow's tongue cactus", "cow tongue prickly pear", "desert prickly pear", "discus prickly pear", "Engelmann's prickly pear", and "Texas prickly...

, Aloysia wrightii

Aloysia wrightii

Aloysia wrightii is a species of flowering plant in the verbena family known by the common names Wright's beebrush and oreganillo. It is native to the Sonoran Desert of southwestern United States and northern Mexico, where it can be found in moist desert canyons, scrub, and woodland habitat...

, and the western diamondback rattlesnake

Crotalus atrox

Crotalus atrox, the "western diamondback rattlesnake", is a venomous rattlesnake species found in the United States and Mexico. It is likely responsible for the majority of snakebite fatalities in northern Mexico and the second greatest number in the USA after C. adamanteus. No subspecies are...

. However, at higher elevations in the Sandia-Manzano Mountains, a strong climatically driven Rocky Mountain biotic element exists.