Montezuma Castle National Monument ⓘ

On December 8, 1906, President Theodore Roosevelt celebrated the passage of the Antiquities Act by declaring four sites of historic and cultural significance as our nation's first National Monuments. Among these was Montezuma Castle, which the President identified as a place "of the greatest ethnological value and scientific interest." Although very few original artifacts remained in the structure due to intensive looting of the site, Roosevelt's decision assured the continued protection of one of the best preserved prehistoric cliff dwellings in North America.

Montezuma Castle National Monument quickly became a destination for America's first car-bound tourists. In 1933, "Castle A", a 45-50 room, pueblo ruin was excavated, uncovering a wealth of artifacts and greatly enhanced our understanding of the Sinagua people who inhabited this riparian "oasis" along Beaver Creek for over 400 years.

Early visitors to the monument were allowed access to the structure by climbing a series of ladders up the side of the limestone cliffs. However, due to extensive damage to this valuable cultural landmark, public access of the ruins was discontinued in 1951.

Now, approximately 350,000 people a year gaze through the the windows of the past during a visit to Montezuma Castle. Even 600 years after their departure, the legacy of the Sinagua people continues to inspire the imaginations of this and future generations.

Montezuma Castle National Monument encompasses 826 acres and lies in the Verde Valley at the junction of the Colorado Plateau and Basin and Range physiographic provinces. Although the climate is arid with less than 12 inches of rainfall annually, several perennial streams thread their way from upland headwaters to the Verde Valley below, creating lush riparian ribbons of green against an otherwise parched landscape of rolling, juniper-covered hills. From the mineral-rich Black Hills to the south, to the red and white sandstone country of Sedona and the basalt-capped palisades of the Mogollon Rim to the north, to the limestone hills of the Verde Valley, the dynamic nature of the Earth's geologic processes is evident in the landforms surrounding the monument.

The monument contains numerous species of plants, such as mesquite, catclaw, and saltbush, which have adapted to life in an arid environment, but, due to the micro-habitats provided by the riparian corridors, also hosts populations of moisture-loving plants such as monkeyflower and columbine. The tall, large-leaved mesic species of trees, such as sycamore and cottonwood, found only in the riparian corridors, stand in stark contrast to the xeric species found on neighboring lands. The unique aquatic habitat found in Montezuma Well, a collapsed limestone sinkhole, contains organisms found nowhere else in the world which have evolved in response to the unique mineralization of the water.

Over 200 species of birds inhabit the riparian (areas located near water) and upland habitats at Montezuma Castle National Monument. Although the number of species observed each month is highest during the breeding season, partly due to a large number of migrating birds, species richness is high during non-breeding seasons as well.

During the breeding season, Gila woodpeckers, Bewick's wrens, and Abert's towhees are among the most common species. Because a variety of habitats are present, even the most predominant species in a given year accounted for no more than 12% of the species observed. The number of breeding species within the monument (49) is high, given the small area, and reflects the topographic and habitat variability that occur here and the presence of substantial amounts of good quality riparian habitats.

Approximately 75% of the breeding species are neotropical migrants and, therefore, leave the monument and Verde Valley during the fall or winter following the breeding season. As a result, there is a major change in the ecology of the monument between breeding and non-breeding seasons. Similar patterns have been shown along the Colorado River in the Grand Canyon. In fact, most of the riparian breeding species in the Southwest are neotropical migrants that winter elsewhere, such as Central and South America. A checklist of common species seen at Montezuma Castle is available at the front desk and for download.

Although Montezuma Castle is small in size, many species of animals live here. Birds , mammals , lizards , and insects are seen most frequently, though seasons and weather play a large role in determining what animals are active.

Desert animals have a variety of adaptations for dealing with the temperature and moisture stresses present at Montezuma Castle. Most desert animals are nocturnal, meaning they are active primarily at night. This can be an adaptation to both predation and hot summer daytime temperatures. Nocturnal animals include small desert rodents, skunks, ringtails, foxes, bobcats, mountain lions, bats, and owls. Animals that are most active at dawn and dusk are called "crepuscular". These times of day are cooler than mid-day. The half-dark makes it safer for prey animals because they are less visible, yet visibility is good enough to locate food. Some animals are crepuscular mostly because their prey is crepuscular. Crepuscular animals include elk, mule deer, coyotes, porcupines, desert cottontails, black-tailed jackrabbits, and many songbirds.

A few desert animals are primarily active during the day, or "diurnal". These include rock squirrels, chipmunks, lizards, snakes , hawks, and eagles. Many animals have a temperature range in which they are active, so their active times of day adjust to the season. Snakes and lizards go into an active state of torpor during the winter, are active during the day during the late spring and early fall, and become crepuscular during the heat of summer. Many insects also alter their times of activity, which in turn influences the activity of insect eaters.

Air pollution in parks can have negative consequences for how well we can see park vistas, the health of natural environments, the health of people in and around parks, and even the strength of local economies. With the exception of visibility, most of the effects in parks result from extended exposure to air pollution rather than short-term events. Learn more about the effects of air pollution in parks by viewing Park Air Profiles or the Air Quality Related Values Inventory page. Learn more about air pollution .

Precipitation and temperature are primary factors that determine an ecosystem's structure and function. Secondary factors include long-term climate patterns, such as the timing, duration, and intensity of extreme weather events (such as frosts and violent downpours), and the variance in seasonal dynamics between and among years.

These drivers greatly influence which plant species occur where, habitat suitability for wildlife, surface and subsurface hydrology, how nutrients are cycled, and the relationships between soil, plants, and water availability. They can also affect how susceptible—or resilient—an ecosystem is to disturbance.

We can already see the effects of climate change in many national parks. But because national parks are protected areas, they can carry out research to help support informed decisions for protecting our resources. Parks also work to educate visitors about climate change and show them first-hand how these changes are impacting our resources.

Research at Montezuma Castle has shown that continuing changes in climate can potentially change the animal and plant populations at the monument. This means that some species will not be able to survive at the monument in the future.

Another study found that recent climatic conditions at the monument are already shifting beyond historic ranges. In the future, climate change may manifest itself not only as changes in average conditions, but also as more extreme individual weather events, like floods or storms. Learn more about climate monitoring at the Sonoran Desert national park sites .

Use refillable travel mugs and water bottles, and reusable grocery bags. These items lessen the impact of disposable products on our environment. Both Montezuma Castle and Montezuma Well have refill stations for water bottles.

When shopping, look for products that use less packaging or recyclable materials. Products made from recycled paper, plastics, and aluminum use 55-95% less energy than new materials.

About 50 species of mammals are known to live in Montezuma Castle National Monument. Some animals, like desert cottontails, rock squirrels, and white-tailed deer are common and may be seen by a majority of visitors. However, many desert animals are inactive during the day, so sightings can be truly special events. Tracks and scat are the most common signs of an animal's presence.

Montezuma Castle's hot climate and lack of water seem to favor small mammals. Because of their small size, these animals are less able to migrate, but have an easier time finding shelter and require less food and water to live. Rodents are numerous: there are ten species of mice and rats alone. Beavers, the largest North American rodent, are occasionally seen along Beaver Creek. Larger mammals, like elk, deer, and mountain lions, must cover more territory in order to find food and water, and sometime migrate to nearby mountains during the summer. In Arizona, around 80% of a mountain lion's diet consists of deer, so these animals are never far apart. However, unlike deer and elk, mountain lion sightings are very rare.

One of the most common animals seen at Montezuma Castle is the rock squirrel. They are often seen scampering along cliff faces and in and out of nooks and crannies in the rocks. They are large squirrels that are mostly gray and brown with a grizzled stripe pattern along their bodies. They dig burrows and live in social groups and primarily feed on leaves, berries, seeds, and occasionally insects. To communicate, they make chirps, chatters, and other calls. During the hottest times of the year, these squirrels may undergo estivation, a process similar to hibernation where an animal is inactive during hot, dry periods.

If you hear a rustle in the leaves at Montezuma Castle in the winter, it's most likely a pocket gopher. These potato-shaped rodents are about the size of a small guinea pig and similar in appearance but have much smaller eyes and ears. They are active both day and night and spend most of their time underground. Small piles of dirt are a sign that they are in the area. If you watch closely, you may even see grass and other plants disappear into the ground as they pull them into the safety of their burrows to eat. They are preyed on by badgers, coyotes, snakes, and birds of prey.

Not to be confused with feral hogs, peccaries or javelinas (HAV-a-LEAN-a's) are a familiar sight in many parts of central and southern Arizona. Though they are somewhat related to pigs, they are not true pigs. Instead of having curved tusks like a pig, a javelina's canines point straight up and down and they cannot move their jaws from side to side. They are also called skunk pigs because of the strong odor they emit from scent glands on their backs and under their eyes. Adults can weigh up to 60 pounds. Javelinas mostly feed on plants like agave, cacti, roots, seeds, and berries, but will also eat small animals. Do not underestimate a javelina! These animals are usually calm but are protective of their families and can charge anyone who gets too close to their young. They have also been known to behave aggressively toward dogs, which can be seen as a potential predator. They will sometimes create a chattering noise by rubbing their tusks together as a warning.

Known by many names across its range from Canada down to southern Argentina, the mountain lion, puma, or cougar was once found across the entire continental US. These cats are shy and avoid humans whenever possible. A healthy population exists in the Verde Valley and they appear regularly on trail cameras in the parks. Visitor sightings are very rare, but tracks or scat are sometimes seen at Montezuma Well and along the Tavasci Marsh Trail at Tuzigoot National Monument . If you encounter a mountain lion, make yourself look as big as possible and do not bend over to pick up anything from the ground. Male mountain lions have territories which may overlap with that of multiple females. Mountain lions are mostly solitary but kittens will stay with their mother until they are about one or two years old. In the Verde Valley, their favorite prey are elk and deer, but they will also hunt javelinas, rabbits, and jackrabbits.

Bobcats are the smaller of the two species of cats found in the Verde Valley. They are bigger than most house cats and have tufts on the tips of their ears as well as short, black-tipped tails. Bobcats can vary in appearance, but are typically brown or tan and adults usually have some spotting on their bodies. While bobcats and lynx do overlap in some parts of their range, lynx are not found in Arizona. Bobcats are most active in the early morning and late evening, but are very shy and avoid humans whenever possible. They are opportunistic hunters and mostly prey on birds and rabbits, but may also hunt skunks, raccoons, and foxes.

The white-tailed deer is one of three species of deer found in the Verde Valley. Mule deer are also found in the area but are slightly bigger and have larger ears. White-tailed deer can be identified by their long, fluffy tails which they raise in alarm if threatened. Although there are currently 38 subspecies of white-tailed deer recognized, recent studies suggest there are proably fewer than that. Bucks shed and regrow their antlers each year.