Located within the White Mountains of Arizona and surrounded by the Apache-Sitgreaves National Forest, Greer is the highest town in the state at an elevation of approximately 8,400 feet (2,560 m).

The communities of Alpine, Blue River, Greer, Nutrioso, Sunrise, Springerville, and Eagar, Arizona, as well as Luna, New Mexico were evacuated.

[citation needed] Greer sits at 8,356 feet in elevation and is located in the White Mountains of Arizona near the New Mexico border.

Greer is about 20 minutes or 16 miles (26 km) south of Springerville and Eagar, accessed by paved road via Highways 260 and 373.

Greer has a Humid continental climate (Köppen Dsb) with warm summers coupled with chilly nights and cold, snowy winters.

During the summer months, monsoon storms develop daily in the late morning and early afternoon hours, bringing heavy rain, strong wind, thunder, lightning, and even hail.

Ice forms on the surrounding lakes in late November and doesn't thaw till early March.

On Monday, November 5, 2001, the Northern Lights were visible from Greer and other areas around the Mogollon Rim and White Mountains including Payson, Heber-Overgaard, Show Low, Eagar, Alpine, and McNary.

At 8:00-10:30 pm, the people of east central Arizona were treated to the natural light display due to extremely strong Solar flares that allowed the Aurora Borealis to be seen this far south.

Trees like Narrowleaf Cottonwood, Maple, Boxelder, and Oak, can be found in the riparian habitats in the area Juniper, Pine, Aspen, Fir, and Spruce dot the surrounding landscape.

It is home to the Mexican Grey wolf, and as of 2021, there were only 186 wild wolves living in eastern Arizona and western New Mexico.

A few species of Crustaceans and Mollusks that can be found here are Northern crawfish, California floater mussel, and Three forks springsnail.

Waterfowl that can be found in and around the region's bodies of water include Great blue heron, Black-crowned night heron, Snowy egret, white-faced ibis, Killdeer plover, Canada goose, Mallard, Redhead, Bufflehead, Cinnamon teal, Green-winged teal, Gadwall, Northern pintail, American wigeon, Northern shoveler, Lesser scaup, Common goldeneye, pied-billed grebe, and eared grebe.

Predatory mammals in the region include Black bear, Mountain lion, Bobcat, Mexican grey wolf, Coyote, Grey fox, Striped skunk, Western spotted skunk, Ringtail cat, Raccoon, Coatimundi, River otter, American badger, Black-footed ferret, and Long-tailed weasel Many species of rodents call the area home, including Beaver, Muskrat, Porcupine, Arizona gray squirrel, Red squirrel, Rock squirrel, Abert's squirrel, Gunnison's prairie dog, Botta's pocket gopher, Golden-mantled ground squirrel, Thirteen-lined ground squirrel, Cliff chipmunk, Least chipmunk, Grey-collared chipmunk, White-throated woodrat, Mexican woodrat, Deer mouse, Pinyon mouse, House mouse, Western harvest mouse, Western jumping mouse, Northern grasshopper mouse, White-footed mouse, Southern red-backed vole, Montane vole, Mexican vole, Montane shrew, and Merriam's shrew Leporids in this region include the Mountain cottontail rabbit, Eastern cottontail rabbit, and Black-tailed jackrabbit.