Troon Mountain

Troon Mountain

View of Troon Mountain From Sonoran Hills Park in North Scottsdale | DCA88

Troon Mountain is a rugged granite summit rising from the high Sonoran Desert of northern Scottsdale, Arizona. Reaching approximately 3,520 feet (1,073 meters), the mountain is surrounded by enormous rounded boulders, steep rocky slopes, saguaros, desert scrub, and the residential communities of Troon Village.

Although considerably lower than nearby East End, the highest summit of the McDowell Mountains, Troon Mountain has approximately 801 feet of topographic prominence and forms one of northern Scottsdale’s most recognizable natural landmarks.

Its pale granite and jumbled boulder formations are characteristic of several mountains in this part of Scottsdale, including nearby Pinnacle Peak. Millions of years of weathering have enlarged fractures in the granite and rounded once-angular blocks, producing the giant stacked-boulder appearance seen today.

Troon Mountain is also an unusual mountain from a recreational perspective. Despite being surrounded by some of Scottsdale’s best hiking terrain, the mountain itself is not open for public hiking or climbing. The Troon Village Association specifically states that trespassing on Troon Mountain is prohibited. Visitors should therefore enjoy the mountain from surrounding roads, neighborhoods where access is permitted, and nearby public recreation areas such as Pinnacle Peak Park and the McDowell Sonoran Preserve.

⚑ Fast Facts

FeatureDetails
MountainTroon Mountain
CountryUnited States
StateArizona
CountyMaricopa County
CityScottsdale
Geographic regionNorthern Scottsdale / McDowell Mountains area
Elevation3,520 feet / 1,073 meters
Prominence801 feet / 244 meters
Isolation1.75 miles / 2.81 kilometers
Nearest Higher Neighbor (NHN)Tom’s Thumb
Coordinates33.71522Β° N, 111.84075Β° W
USGS quadrangleMcDowell Peak
Major drainageSalt River basin
Dominant rockProterozoic granite
LandscapeSonoran Desert / granite upland
Public summit accessNo
Nearby public hikingPinnacle Peak Park and McDowell Sonoran Preserve

Modern Peakbagger lidar data places Troon Mountain at 3,520.2 feet, while older databases commonly list approximately 3,478 to 3,519 feet. The newer lidar measurement is used throughout this profile.

πŸ”οΈ A Granite Landmark of North Scottsdale

Troon Mountain rises just north of the main McDowell Mountains and immediately east of Pinnacle Peak.

From much of northern Scottsdale, its profile is unmistakable.

Rather than forming a smooth conical peak, Troon Mountain appears as an enormous pile of granite blocks. Towers, rounded boulders, vertical rock faces, narrow gullies, and fractured ridges cover the upper mountain.

The terrain reflects the way granite weathers in Arizona’s dry climate.

The mountain is surrounded on several sides by Troon Village and related residential communities, but much of its steep upper terrain remains visually undeveloped.

This juxtaposition of rugged mountain and carefully designed desert architecture has made Troon Mountain a defining landmark of the northern Scottsdale landscape.

πŸ“ Nearest Higher Neighbor: Tom’s Thumb

Peakbagger identifies Tom’s Thumb as Troon Mountain’s Nearest Higher Neighbor (NHN).

The higher terrain lies to the south-southeast within the northern McDowell Mountains.

Peakbagger calculates Troon Mountain’s true isolation at approximately 1.75 miles, meaning higher ground occurs relatively close to the summit.

ListsOfJohn uses somewhat different elevation and isolation calculations, listing approximately 2.88 miles of isolation and also identifying the Tom’s Thumb high ground as Troon Mountain’s parent.

These differences illustrate why modern lidar data can alter older topographic measurements.

Tom’s Thumb itself is one of Scottsdale’s most recognizable granite formations and is reached by designated trails within the McDowell Sonoran Preserve.

It should not be confused with East End, which is the actual highest point of the McDowell Mountains.

πŸ“ Topographic Prominence

Troon Mountain has approximately 801 feet (244 meters) of clean topographic prominence according to current Peakbagger measurements.

Its key saddle lies at about 2,719 feet.

ListsOfJohn gives a very similar prominence of approximately 809 feet.

This amount of prominence is significant enough for Troon Mountain to stand distinctly apart from neighboring ridges.

By comparison, Pinnacle Peak is lower and less prominent, even though it is considerably more famous as a public hiking destination.

Troon Mountain’s substantial local relief, rugged summit architecture, and elevated position make it appear especially dramatic from the residential areas surrounding its base.

πŸ—ΊοΈ Where Is Troon Mountain?

Troon Mountain is located in Maricopa County in northern Scottsdale, Arizona.

Its summit coordinates are approximately 33.71522Β° N, 111.84075Β° W.

Nearby landmarks include:

The Sonoran Desert stretches west and south toward Scottsdale and Phoenix, while the mountains become progressively higher and more rugged toward the northeast.

Farther north, the landscape eventually climbs through Apache Peak, Butte Peak, and the central Arizona highlands.

🏞️ Is Troon Mountain Part of the McDowell Mountains?

The geographic classification of Troon Mountain varies slightly among sources.

The U.S. Geological Survey describes the summit as lying at the northern end of the McDowell Mountains, while PeakVisor places it directly within the McDowell Mountains.

Some Scottsdale planning documents instead describe Troon Mountain as adjacent to the main McDowell Mountains, along with Pinnacle Peak.

The distinction largely reflects where different sources draw the informal northern boundary of the range.

Geologically and visually, Troon Mountain belongs to the same broad granite landscape as the northern McDowells.

For practical purposes, it is reasonable to describe it as a northern McDowell Mountains-area summit, while recognizing that some local planning documents treat it as an adjacent mountain rather than part of the main range.

πŸͺ¨ Geology of Troon Mountain

Troon Mountain is primarily a granite mountain.

The granite belongs to the ancient crystalline rocks of central Arizona and dates to the Proterozoic, when enormous bodies of molten rock cooled deep beneath the Earth’s surface.

The McDowell Sonoran Conservancy specifically describes Troon Mountain, Pinnacle Peak, Cholla Mountain, and Little Granite Mountain as classic granite peaks that resemble enormous piles of rounded boulders.

Those boulders were not carried onto the mountains from somewhere else.

They are remnants of the mountain itself.

The modern landscape is the result of granite breaking apart along natural fractures while chemical and physical weathering progressively rounded the individual blocks.

⏳ Rocks More Than a Billion Years Old

Much of the granite in the northern Scottsdale and McDowell Mountains region is approximately 1.4 billion years old or older.

At that time, the modern Sonoran Desert did not exist.

The granite formed underground as magma cooled slowly enough for large mineral crystals to develop.

Typical granite in the area contains minerals such as:

  • Quartz
  • Feldspar
  • Biotite
  • Other accessory minerals

Later erosion removed the enormous thickness of rock that once covered these intrusive bodies.

Eventually the deeply buried granite became exposed at the surface.

The mountains visible today are therefore remnants of rock that originally crystallized far underground more than a billion years ago.

πŸͺ¨ Why Troon Mountain Looks Like a Pile of Boulders

Granite develops natural cracks called joints.

Water works into those cracks and chemically attacks minerals within the rock.

Feldspar gradually breaks down into clay minerals, while differences in temperature, moisture, and mechanical stress further widen fractures.

Weathering occurs fastest around corners and edges.

Over enormous periods of time, angular blocks become increasingly rounded.

Meanwhile, decomposed granite produces a loose mixture of gravel and coarse sand called grus.

Erosion removes the grus, leaving resistant rounded blocks behind.

The result is the spectacular boulder-covered landscape visible on Troon Mountain today.

πŸ₯š Spheroidal Weathering

The rounding process is known as spheroidal weathering.

It is particularly effective in heavily jointed granite.

A large rectangular block may gradually lose its sharp corners, followed by its edges. Eventually, what began as an angular block becomes a rounded boulder.

When surrounding decomposed material is removed, these boulders emerge at the surface.

Some remain partially attached to bedrock.

Others appear to balance precariously on smaller rocks.

Still others accumulate in gigantic clusters.

Troon Mountain is an excellent example of this style of desert granite weathering.

Nearby Pinnacle Peak displays many of the same features.

πŸ—Ώ A Bornhardt Landscape

Geomorphologists have described Troon Mountain as a type of granite landform known as a bornhardt.

A bornhardt is a large dome-like or rounded mass of relatively resistant bedrock rising above surrounding terrain.

Troon Mountain’s modern form has been modified extensively by jointing and weathering, producing countless boulders and rock towers.

The surrounding Scottsdale landscape provides other stages of granite erosion.

Pinnacle Peak, for example, has been described as a more collapsed granite landform where jointing and weathering have broken an earlier massive form into a rugged collection of tors and boulders.

Together, these mountains provide a remarkable outdoor lesson in granite geomorphology.

🌡 Sonoran Desert Ecology

Troon Mountain rises from the Sonoran Desert, one of the most biologically diverse deserts in North America.

Its slopes support a characteristic mixture of plants adapted to heat, drought, rocky soils, and intense sunlight.

Common plants in the surrounding landscape include:

  • Saguaro cactus
  • Palo verde
  • Mesquite
  • Ironwood
  • Cholla
  • Prickly pear
  • Barrel cactus
  • Ocotillo
  • Agave
  • Creosote bush
  • Brittlebush

Elevation creates subtle differences in temperature and moisture.

Troon Mountain’s upper slopes can be noticeably cooler than lower portions of Scottsdale, particularly at night and during winter.

🌼 Spring Wildflowers

Following winters with sufficient rainfall, the landscape around Troon Mountain can become remarkably colorful.

Brittlebush produces yellow flowers across rocky hillsides, while lupines, poppies, penstemons, desert marigolds, and other wildflowers may appear in open ground.

Bloom intensity varies dramatically.

In dry years, flowering may be sparse.

After unusually wet winters, green vegetation and wildflowers can temporarily transform the desert landscape surrounding the mountain.

Late winter through early spring is often the best time to see this seasonal change.

🌡 Saguaros on Troon Mountain

Few plants symbolize the Sonoran Desert more strongly than the saguaro cactus.

Saguaros grow throughout the lower slopes and surrounding terrain.

These giant cacti can live for well over a century, eventually producing numerous arms and reaching impressive heights.

They also function as miniature ecosystems.

Gila woodpeckers and gilded flickers excavate nesting cavities in their trunks. After the original birds move on, other species may occupy the abandoned holes.

Saguaro flowers provide nectar for bats, birds, and insects, while the fruit supplies food to many desert animals.

The combination of enormous saguaros and massive granite boulders gives the Troon Mountain landscape its classic northern Scottsdale appearance.

🦌 Wildlife Around Troon Mountain

Troon Mountain and the undeveloped open spaces surrounding it provide habitat for numerous Sonoran Desert animals.

Potential wildlife includes:

  • Mule deer
  • Javelina
  • Coyotes
  • Bobcats
  • Desert cottontails
  • Jackrabbits
  • Rock squirrels
  • Rattlesnakes
  • Gila monsters
  • Chuckwallas
  • Ravens
  • Harris’s hawks
  • Red-tailed hawks

Mountain lions also occur throughout the broader mountain landscape, although sightings are uncommon.

The rugged rocks provide countless sheltered spaces where reptiles and small mammals can escape the intense desert heat.

🚫 Can You Hike Troon Mountain?

No public hiking or climbing is currently permitted on Troon Mountain.

This is one of the most important things to understand before visiting.

The Troon Village Association explicitly states:

β€œNo Trespassing is allowed on Troon Mountain.”

Current Troon Village rules likewise state that no hiking or climbing of Troon Mountain is allowed.

Visitors should therefore not follow old summit descriptions, informal social-media routes, or apparent paths leading onto the mountain.

Much of the surrounding community is gated or private, and Troon Country Club also prohibits trespassing.

⚠️ Why Older Hiking Information Can Be Misleading

Online hiking information can persist for many years after access conditions change.

Someone may have climbed Troon Mountain legally or informally decades ago and posted a route that remains searchable today.

That does not establish current public access.

Likewise, satellite imagery may show tracks, washes, maintenance corridors, or residential roads that appear to provide a route toward the mountain.

Visitors should not use those features to bypass gates or private-property restrictions.

Current rules take priority over historical trip reports.

Fortunately, there are outstanding public hiking alternatives nearby.

Landscape image of Troon Mountain In North Scottsdale AZ At Sunset time | Ray Redstone

πŸ₯Ύ Pinnacle Peak Park

The easiest nearby alternative is Pinnacle Peak.

Pinnacle Peak Park lies only a short distance west of Troon Mountain and provides a well-developed public trail through spectacular granite terrain.

The main trail is approximately 1.75 miles each way, or roughly 3.5 miles round trip if completed from end to end and back.

It does not reach the technical summit.

Instead, the trail contours around the lower and middle portions of the mountain, providing excellent views of:

  • Troon Mountain
  • McDowell Mountains
  • Sonoran Desert
  • Scottsdale
  • Granite formations

Because Troon Mountain itself is closed to hiking, Pinnacle Peak is one of the best public locations from which to appreciate it.

πŸ₯Ύ Tom’s Thumb

Another excellent option is Tom’s Thumb, Troon Mountain’s Nearest Higher Neighbor.

Tom’s Thumb lies within the McDowell Sonoran Preserve.

The enormous granite formation rises dramatically from the northern McDowell Mountains and can be reached using designated public trails.

The hike is considerably more strenuous than Pinnacle Peak.

Steep grades and substantial elevation gain make the route a demanding desert outing, particularly during warm weather.

From the upper trail, hikers gain excellent perspectives of Troon Mountain, Pinnacle Peak, the surrounding Scottsdale desert, and the northern McDowell Mountains.

🏞️ McDowell Sonoran Preserve

Although Troon Mountain itself is not a public hiking mountain, the nearby McDowell Sonoran Preserve offers an extraordinary alternative.

The preserve protects more than 30,000 acres of Sonoran Desert and contains hundreds of miles of designated trails.

Important nearby access points include:

  • Tom’s Thumb Trailhead
  • Brown’s Ranch Trailhead
  • Granite Mountain Trailhead
  • Pima Dynamite Trailhead

Visitors can hike, mountain bike, ride horseback, observe wildlife, photograph desert scenery, and explore some of the same granite geology seen on Troon Mountain.

The preserve also protects a substantial portion of the main McDowell Mountains.

πŸŒ„ Views of Troon Mountain

Because the mountain itself is closed, choosing a good viewpoint becomes particularly important.

Pinnacle Peak offers some of the finest close-range views.

The northern McDowell Sonoran Preserve also provides excellent perspectives from trails around Tom’s Thumb and the Granite Mountain area.

Troon Mountain can additionally be seen from numerous public roads in northern Scottsdale.

Its granite ridgeline becomes especially striking around sunrise and sunset, when low-angle light emphasizes the texture of its cliffs and boulders.

Late-afternoon sunlight can turn otherwise pale granite warm shades of gold, orange, pink, and red.

🏘️ Troon Village and Mountain Conservation

The development surrounding Troon Mountain has an unusual conservation history.

City of Scottsdale historical material credits developers Florence and Jerry Nelson with voluntarily setting aside natural open space and protecting significant peaks including Troon Mountain and Pinnacle Peak within their developments.

That decision helped maintain the mountain’s natural upper slopes even as residential communities grew around its base.

The result is visually striking.

Homes occupy portions of the lower landscape, but the upper mountain remains dominated by exposed granite and natural desert vegetation.

Troon Mountain demonstrates one of the central challenges of Scottsdale conservation: accommodating urban growth while preserving the natural landforms that define the city’s identity.

🏌️ Troon and Golf

The name Troon is now known around the world partly because of golf.

Troon Country Club lies near the mountain and opened in the 1980s with a course designed by Tom Weiskopf and Jay Morrish.

The broader Troon area took inspiration from the Scottish golfing tradition associated with Royal Troon.

Troon eventually became closely associated with Scottsdale’s golf identity, luxury residential development, and high-desert scenery.

Yet the mountain itself remains the natural centerpiece.

Its enormous granite formations existed for more than a billion years before golf courses, homes, roads, or the city of Scottsdale surrounded it.

πŸ”οΈ Pinnacle Peak

Pinnacle Peak lies west of Troon Mountain and reaches approximately 3,169 feet.

Troon Mountain is therefore roughly 350 feet higher.

Peakbagger identifies Troon Mountain as Pinnacle Peak’s Nearest Higher Neighbor, creating a direct topographic relationship between the two.

The mountains also share similar granite geology.

Both contain huge rounded boulders, weathered rock towers, and pale granite surfaces.

Their recreational situations, however, are almost opposites.

Pinnacle Peak has a heavily used public trail system.

Troon Mountain is closed to public hiking.

πŸ‘ Tom’s Thumb

Tom’s Thumb rises southeast of Troon Mountain within the northern McDowell Mountains.

Current Peakbagger data identifies it as Troon Mountain’s Nearest Higher Neighbor.

The formation is a spectacular granite pinnacle projecting from the mountain ridge.

Unlike Troon Mountain, Tom’s Thumb is accessible using designated trails in the McDowell Sonoran Preserve.

It is not the highest point of the McDowells, however.

That distinction belongs to East End.

πŸ”οΈ East End

East End rises southeast of Troon Mountain and reaches approximately 4,074 feet.

It is the highest summit of the McDowell Mountains.

That makes East End more than 550 feet higher than Troon Mountain.

The upper East End landscape is considerably more rugged and elevated, with steep designated trails crossing terrain around Tom’s Thumb and the Marcus Landslide.

East End also has more than 1,300 feet of prominence and nearly 14 miles of isolation.

Troon Mountain, by comparison, is smaller and much more closely connected to higher McDowell terrain.

πŸ“‘ Thompson Peak

Thompson Peak rises farther south within the main McDowell Mountains.

Its summit reaches approximately 3,984 feet, about 460 feet higher than Troon Mountain.

Communications towers make Thompson Peak easy to identify from much of Scottsdale.

The mountain also provides an interesting contrast in appearance.

Troon Mountain is dominated by rounded granite forms, while the main McDowell Mountains expose a much more complicated geological sequence involving ancient volcanic, sedimentary, metamorphic, and intrusive rocks.

πŸ”οΈ Mount McDowell

Farther southeast is Mount McDowell, commonly known locally as Red Mountain.

Although often associated by name with the McDowell Mountains, Mount McDowell is geographically separate from the main range.

Its reddish rock and distinctive twin-profile appearance contrast strongly with the pale granite of Troon Mountain.

Mount McDowell also lies on tribal land and is not open for ordinary recreational climbing.

Together, the two mountains demonstrate the extraordinary geological variety surrounding Scottsdale and the northeastern Phoenix metropolitan area.

πŸ”οΈ Apache Peak and Butte Peak

Travel north from Troon Mountain and the landscape eventually reaches Apache Peak and Butte Peak.

Apache Peak reaches approximately 4,561 feet, while Butte Peak rises to approximately 4,876 feet.

These mountains belong to the increasingly rugged uplands connecting northern Scottsdale with central Arizona’s Transition Zone.

East End identifies Apache Peak as its Nearest Higher Neighbor, creating another useful topographic connection between the McDowell Mountains and the higher northern Scottsdale country.

πŸŒ‡ Sunset on Troon Mountain

Troon Mountain is particularly impressive late in the day.

Granite can change dramatically under low-angle sunlight.

During midday, the mountain may appear pale gray, tan, or beige.

As sunset approaches, its upper cliffs and boulders can turn warm gold, orange, pink, and reddish brown.

Deep shadows simultaneously develop in narrow gullies and between boulder formations.

This changing light is one reason Troon Mountain has become such a distinctive visual landmark for northern Scottsdale.

Because summit access is prohibited, photographing the mountain from legal public viewpoints is also one of the best ways to enjoy it.

β˜€οΈ Best Time to Visit the Troon Mountain Area

🌼 Spring

Spring is one of the finest seasons in northern Scottsdale.

Temperatures are generally pleasant, and wet winters may produce impressive wildflowers.

β˜€οΈ Summer

Summer temperatures can be extreme.

Even though Troon Mountain is higher than central Scottsdale, nearby public hiking trails remain dangerous during periods of intense heat.

Early morning does not eliminate all risk during the hottest months.

πŸ‚ Autumn

October and November bring increasingly comfortable temperatures and are excellent for exploring Pinnacle Peak and the McDowell Sonoran Preserve.

❄️ Winter

Winter often provides the best hiking weather.

Clear days bring excellent visibility, while daytime temperatures are usually far more comfortable than in summer.

Cold fronts can occasionally produce surprisingly low temperatures at higher elevations.

β›ˆοΈ Monsoon Season

Arizona’s summer monsoon generally develops during July and continues into September.

Thunderstorms can form rapidly over the Scottsdale mountains.

Hazards include:

  • Lightning
  • Strong winds
  • Heavy rain
  • Flash flooding
  • Falling rocks
  • Slippery granite
  • Extreme humidity and heat

Dry washes can flood even when rain is falling several miles away.

Visitors exploring public trails around Troon Mountain should pay close attention to weather forecasts and developing clouds.

πŸ”₯ Wildfire Risk

The Sonoran Desert is not immune to wildfire.

Introduced grasses and other fine fuels can carry fire rapidly through desert vegetation following wet growing seasons.

Wildfire can threaten saguaros, desert trees, wildlife habitat, homes, and trail infrastructure.

Northern Scottsdale therefore takes wildfire risk seriously.

Visitors should obey seasonal fire restrictions and never discard cigarettes or create unauthorized fires.

⚠️ Visiting Troon Mountain Responsibly

The most important rule is straightforward:

Do not attempt to climb Troon Mountain.

Current community rules prohibit hiking, climbing, and trespassing on the mountain.

Visitors can still have an excellent Troon Mountain experience by:

  • Hiking Pinnacle Peak
  • Exploring designated McDowell Sonoran Preserve trails
  • Hiking toward Tom’s Thumb
  • Photographing Troon Mountain from public roads and trails
  • Exploring nearby granite landscapes legally
  • Observing wildlife from appropriate distances

Respecting access restrictions helps protect both private property and the fragile mountain environment.

🧭 Why Troon Mountain Is Worth Knowing

Troon Mountain is a fascinating example of a mountain whose importance extends far beyond summit climbing.

Its approximately 3,520-foot elevation and 801 feet of prominence make it a substantial local landmark.

Its granite records geological history more than a billion years old.

Its enormous rounded boulders illustrate how water, chemistry, fractures, heat, and erosion can transform solid granite into extraordinary desert sculptures.

And its location provides a natural link among several Mountain Field Guide summits.

Immediately west is Pinnacle Peak.

Southeast lie Tom’s Thumb and East End.

Farther south is Thompson Peak, while increasingly high terrain extends north through Apache Peak and Butte Peak.

Together, these mountains demonstrate how remarkably rugged Scottsdale becomes only a short distance from the developed Phoenix Basin.

Troon Mountain may not be a summit hikers can legally stand upon, but it remains one of the defining mountains of northern Scottsdale.

❓ Frequently Asked Questions

How high is Troon Mountain?

Modern Peakbagger lidar measurements place Troon Mountain at approximately 3,520 feet (1,073 meters).

Why do some sources list Troon Mountain at 3,478 or 3,519 feet?

Older maps and databases relied on different survey data and elevation models. Modern lidar provides a much more detailed measurement of the summit.

Where is Troon Mountain?

Troon Mountain is located in Scottsdale, Maricopa County, Arizona, north of Pinnacle Peak and immediately north of the main McDowell Mountains.

What is Troon Mountain’s prominence?

Peakbagger calculates approximately 801 feet (244 meters) of clean topographic prominence.

What is Troon Mountain’s isolation?

Current Peakbagger data gives approximately 1.75 miles (2.81 kilometers) of true isolation.

What is Troon Mountain’s Nearest Higher Neighbor?

Peakbagger identifies Tom’s Thumb to the south-southeast as Troon Mountain’s Nearest Higher Neighbor.

Is East End the NHN of Troon Mountain?

No. Current Peakbagger data identifies Tom’s Thumb as the nearest higher terrain. East End is the highest summit of the McDowell Mountains but lies farther away.

Is Troon Mountain part of the McDowell Mountains?

Sources vary slightly. USGS-derived geographic records describe it as being at the northern end of the McDowell Mountains, while some Scottsdale planning documents describe Troon Mountain as adjacent to the main range. It is clearly part of the same broader northern Scottsdale mountain landscape.

Can you hike Troon Mountain?

No. Current Troon Village rules prohibit hiking, climbing, and trespassing on Troon Mountain.

Is there a Troon Mountain trail?

There is no authorized public trail to Troon Mountain’s summit. Older online references to summit routes should not be interpreted as current legal access.

Where can you hike near Troon Mountain?

Excellent nearby public alternatives include Pinnacle Peak and designated trails within the McDowell Sonoran Preserve, including the Tom’s Thumb area.

What kind of rock forms Troon Mountain?

Troon Mountain is principally composed of ancient Proterozoic granite.

Why are there so many giant boulders on Troon Mountain?

Natural joints divided the granite into blocks. Chemical and physical weathering progressively rounded those blocks, while erosion removed decomposed material surrounding them.

Is Troon Mountain higher than Pinnacle Peak?

Yes. Troon Mountain reaches approximately 3,520 feet, while Pinnacle Peak reaches approximately 3,169 feet.

Is Troon Mountain higher than East End?

No. East End reaches approximately 4,074 feet and is the highest point of the McDowell Mountains.

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