Arizona State Maps
These maps show Arizona State's Counties, Cities, Federal Areas, Physiographic, and Ecoregions.

The 15 Counties of Arizona and Their Name Origins
- Apache County: Named after the Apache Native American tribe.
- Cochise County: Named after Cochise, a chief of the Chiricahua Apache tribe.
- Coconino County: Derived from "Cohonino," the name of a band of Havasupai Native Americans.
- Gila County: Named after the Gila River, which flows through Arizona.
- Graham County: Named for Mount Graham in the nearby Pinaleño Mountains.
- Greenlee County: Named after one of the state's early settlers, Mason Greenlee.
- La Paz County: Named for the La Paz mining settlement on the Colorado River.
- Maricopa County: Named for the Maricopa Native American tribe.
- Mohave County: Named for the Mohave Native American tribe.
- Navajo County: Named after the Navajo Nation, which occupies much of northeastern Arizona.
- Pima County: Named for the Pima Native American tribe.
- Pinal County: Named after the Pinal Mountains.
- Santa Cruz County: Named after the Santa Cruz River.
- Yavapai County: Named for the Yavapai Native American tribe.
- Yuma County: Named after the Yuma Native American tribe.

Arizona State County Sizes Map
Smallest County in Arizona State
Santa Cruz County: 1,246 sq miles
Largest County in Arizona State
Coconino County: 18,668 sq miles
Mean and Median Area of Counties in Arizona State
Mean Area: 9,450.27 sq miles
Median Area: 9,189 sq miles

Major Cities of Arizona State and Their Locations
In Arizona State, major cities are located near natural landmarks, transportation routes, or key rivers. Below are examples of major cities and their strategic locations:
1. Transportation Routes
Phoenix: The state capital and largest city, Phoenix, is located in the Salt River Valley, which was historically an important transportation route and agricultural hub due to its proximity to rivers and canals.
Tucson: Situated in southern Arizona, Tucson's location in the Sonoran Desert near the Santa Cruz River made it an important trade route for early Native American tribes and Spanish settlers.
2. Rivers and Waterways
Yuma: Yuma is strategically located along the Colorado River, making it a key settlement and trade route during early territorial days. The river remains vital to Yuma's agriculture and development.
Flagstaff: Located near the Colorado Plateau, Flagstaff grew along key transportation routes such as the Santa Fe Railroad, and it serves as the gateway to the Grand Canyon.
3. Historical Routes and Landmarks
Prescott: As the original territorial capital, Prescott sits in the Bradshaw Mountains, along routes used during the gold rush era, making it an important historical and mining hub.
Scottsdale: Scottsdale is near historic trails and irrigation canals that were originally developed by Native American tribes and later expanded to support farming and ranching in the region.
Topographic Tour of Arizona


Topographic Tour of Arizona
Arizona State is known for its diverse and dramatic terrain, shaped by desert expanses, mountain ranges, plateaus, and river valleys. From the Grand Canyon to the Sonoran Desert, Arizona offers a wide range of natural landscapes.
1. Sonoran Desert
The southern region of Arizona is dominated by the Sonoran Desert, which extends into Mexico. This arid region is known for its saguaro cacti, rugged mountains, and wide-open spaces, providing an iconic desert landscape.
2. Colorado Plateau
Covering the northern portion of Arizona, the Colorado Plateau features stunning mesas, canyons, and unique rock formations, including the Grand Canyon. This high desert area is cooler than the southern deserts and features a mix of forests and grasslands.
3. Mogollon Rim
The Mogollon Rim is a major geological feature in central Arizona, forming the southern edge of the Colorado Plateau. The steep escarpment marks the transition between the lower desert regions and the higher elevations of the forested plateau.
4. Grand Canyon
One of the world's most famous natural wonders, the Grand Canyon was carved by the Colorado River over millions of years. It stretches 277 miles and is up to 18 miles wide and over a mile deep, offering dramatic vistas and rugged landscapes.
5. Mountain Ranges
Arizona is home to several mountain ranges, including the San Francisco Peaks near Flagstaff, which includes Humphreys Peak, the state's highest point at 12,633 feet. These mountains feature alpine forests and snow-capped peaks in winter.

Physiographic Regions of Arizona
BASIN AND RANGE, GREAT BASIN
This region covers parts of northwestern Arizona, characterized by wide valleys and mountain ranges formed through faulting. This arid region is sparsely populated.
BASIN AND RANGE, MEXICAN HIGHLAND
This region in southeastern Arizona features isolated mountain ranges separated by wide, flat valleys. The area is rich in wildlife and features scenic desert landscapes.
BASIN AND RANGE, SONORAN DESERT
The Sonoran Desert is a low-elevation desert region in southwestern Arizona known for its unique vegetation, including the iconic saguaro cactus, and extreme summer temperatures.
COLORADO PLATEAUS, GRAND CANYON
The Grand Canyon region is part of the Colorado Plateau, with rugged canyons and plateaus carved by the Colorado River. The dramatic landscape is a key geological and tourist destination.
COLORADO PLATEAUS, NAVAJO
The Navajo section of the Colorado Plateau, located in northeastern Arizona, is marked by its colorful desert mesas and cultural significance to the Navajo Nation.
COLORADO PLATEAUS, BLACK MESA
Black Mesa is a prominent landform in northeastern Arizona, known for its high plateaus and dramatic escarpments. The area has historical and cultural significance to Native American tribes, particularly the Hopi and Navajo.
MOGOLLON RIM
The Mogollon Rim is a major geological feature in central Arizona, forming the southern edge of the Colorado Plateau. It is characterized by steep cliffs, pine forests, and high elevations, creating a sharp transition between the highlands and the lower deserts.
TRANSITION ZONE
This region, lying between the Colorado Plateau and the Basin and Range, is characterized by rugged mountain ranges and steep canyons. The diverse topography supports a variety of vegetation, ranging from desert plants to ponderosa pines.
VOLCANIC FIELD REGIONS
Arizona’s volcanic fields, such as the San Francisco Peaks near Flagstaff, are remnants of volcanic activity. These areas feature lava flows, cinder cones, and some of the highest elevations in the state, including Arizona's tallest peak, Humphreys Peak.

Notable Federal Lands: Some of the Largest and Most Fascinating Destinations in Arizona
1. Grand Canyon National Park
One of the most visited national parks in the world, Grand Canyon National Park encompasses over a million acres of land and includes the famous canyon carved by the Colorado River. It is a major geological and tourist destination.
2. Saguaro National Park
Located in the Sonoran Desert, Saguaro National Park is named after the large saguaro cacti that dominate its landscape. It protects the desert ecosystem and offers hiking, wildlife viewing, and scenic drives.
3. Petrified Forest National Park
This park in northeastern Arizona is known for its fossilized trees, which have turned to stone over millions of years. The park also features colorful badlands and historical sites.
4. Tonto National Forest
The largest national forest in Arizona, Tonto National Forest stretches from the Sonoran Desert to the Mogollon Rim. It includes diverse landscapes, from cactus-filled deserts to pine forests.
5. Coronado National Forest
Located in southeastern Arizona, the Coronado National Forest covers several mountain ranges and provides habitat for a wide variety of wildlife, from desert species to forest animals.
6. Coconino National Forest
Stretching across northern Arizona, Coconino National Forest is known for its stunning red rock formations around Sedona, expansive ponderosa pine forests, and the San Francisco Peaks. The forest covers over 1.8 million acres and includes diverse ecosystems ranging from desert to alpine tundra.
7. Kaibab National Forest
Bordering Grand Canyon National Park, Kaibab National Forest spans both the north and south rims of the canyon. This vast forest features high plateaus, ancient ponderosa pines, and offers scenic drives, hiking, and camping opportunities.
8. Apache-Sitgreaves National Forests
Located in eastern Arizona, these combined forests cover nearly 2.6 million acres and are home to the Mogollon Rim. The forests offer breathtaking landscapes of rivers, lakes, and high-country woodlands, ideal for fishing, hiking, and winter sports.
9. Superstition Wilderness
The Superstition Wilderness, part of Tonto National Forest, is a rugged and remote area known for its dramatic desert mountains and the legend of the Lost Dutchman’s Gold Mine. Its trails offer challenging hikes through deep canyons, cacti-studded landscapes, and towering peaks.
10. Canyon de Chelly National Monument
Canyon de Chelly in northeastern Arizona is one of the longest continuously inhabited landscapes in North America. The canyon's towering sandstone walls shelter ancient ruins and Navajo homesteads. It’s a place of cultural and historical significance, offering scenic drives and guided tours into the canyon itself.
11. Organ Pipe Cactus National Monument
Located in southern Arizona, Organ Pipe Cactus National Monument is a UNESCO biosphere reserve that protects a significant portion of the Sonoran Desert. It is named after the unique organ pipe cactus and is home to a diverse array of desert plants and wildlife. The park offers scenic drives, hikes, and opportunities for wildlife viewing.
12. Paria Canyon-Vermilion Cliffs Wilderness
Situated in northern Arizona near the Utah border, this wilderness area is famous for its colorful, swirling sandstone formations and deep, winding slot canyons. The Wave, one of the most iconic geological formations, is located here. Paria Canyon offers a remote and otherworldly hiking experience.
13. Chiricahua National Monument
Chiricahua National Monument in southeastern Arizona is known for its towering rock pinnacles and spires. Formed from volcanic eruptions, this “Wonderland of Rocks” offers a unique landscape and diverse habitats, ranging from desert to oak woodlands and pine forests.
14. Cabeza Prieta National Wildlife Refuge
This vast, arid refuge in southwestern Arizona is part of the Sonoran Desert and protects critical habitat for endangered species, such as the Sonoran pronghorn. It’s one of the largest national wildlife refuges in the U.S., offering solitude and remote desert landscapes.

Ecoregions of Arizona
Basin and Range Section
This ecoregion covers southern and western Arizona, including parts of the Sonoran Desert. The landscape is characterized by desert valleys, mountain ranges, and a variety of desert vegetation.
Grand Canyon Lands Section
This ecoregion encompasses the Grand Canyon and its surrounding lands, offering a mixture of desert plateaus, forests, and riparian environments shaped by the Colorado River.
Mojave Desert Section
The northwestern corner of Arizona is part of the Mojave Desert, known for its dry, hot climate and characteristic desert flora, such as Joshua trees.
Painted Desert Section
The Painted Desert is a colorful landscape in northern Arizona, known for its layers of red, orange, and purple rock formations. It is part of the Colorado Plateau and is rich in geological history.
Sonoran Colorado Desert Section
This ecoregion covers parts of the southwestern Sonoran Desert, featuring hot, dry conditions and unique desert vegetation, including the iconic saguaro cactus.
Sonoran Mojave Desert Section
This section lies in the southern Mojave Desert, characterized by rugged terrain, scattered mountain ranges, and arid valleys. The area is sparsely populated and features a unique desert ecosystem.
Tonto Transition Section
This ecoregion covers central Arizona, transitioning between desert lowlands and the Mogollon Rim’s higher elevations. It features diverse plant communities and provides critical wildlife habitats.
White Mountain-San Francisco Peaks Section
This region includes some of Arizona's highest mountains, including the San Francisco Peaks and White Mountains. The forests in this area support a wide variety of plant and animal life, with alpine conditions at higher elevations.