Phnom Aural

Phnom Aural

🏔️ Overview

Phnom Aural is the highest mountain in Cambodia, rising to approximately 1,813 meters (5,948 feet) in the eastern Cardamom Mountains. Located in Aoral District, Kampong Speu Province, this remote, forested summit forms the centerpiece of Phnom Aural Wildlife Sanctuary, one of Cambodia’s important protected mountain landscapes.

Unlike heavily developed mountain destinations elsewhere in Southeast Asia, Phnom Aural remains a challenging wilderness trek. Reaching the summit generally involves traveling through rural villages, following rough forest tracks, and climbing steep trails through bamboo and tropical evergreen forest.

The mountain is also exceptionally prominent. With approximately 1,744 meters (5,722 feet) of topographic prominence, Phnom Aural qualifies as an ultra-prominent peak and dominates the surrounding Cambodian lowlands.

Its significance extends beyond geography. The forests surrounding the mountain support rare birds, primates, reptiles, orchids, and other wildlife associated with the Cardamom Mountains. At the same time, illegal logging, habitat fragmentation, and hunting present continuing conservation challenges.

⚡ Fast Facts

Fact	Details
Continent	Asia
Country	Cambodia
State/Province	Kampong Speu Province
County/Region	Aoral District; eastern Cardamom Mountains
Mountain Range	Cardamom Mountains
Parent Peak	Not consistently assigned; Phnom Aural is the highest summit in its mountain range
Elevation	1,813 m / 5,948 ft
Prominence	1,744 m / 5,722 ft
Isolation	Approximately 420.28 km / 261.15 mi
Nearest Higher Neighbor (NHN)	Chuo Yang Sin
Coordinates	Approximately 12.0325° N, 104.1708° E
Protected Area	Phnom Aural Wildlife Sanctuary
Protected Area Established	1993
Protected Area Size	Approximately 2,537.5 km² / 980 mi²
Mountain Type	Forested granite massif
National Ranking	Highest mountain in Cambodia
Range Ranking	Highest mountain in the Cardamom Mountains
Classification	Country high point; ultra-prominent peak
Common Alternative Names	Phnom Aoral, Mount Aural, Mount Aoral
Typical Summit Trek	Approximately two days
Best Hiking Season	Generally November through February; conditions can remain favorable into March

📍 Location

Phnom Aural rises in Aoral District of Kampong Speu Province, in southwestern Cambodia. The mountain occupies the eastern end of the Cardamom Mountains, a major forested mountain system extending across southwestern Cambodia and toward southeastern Thailand.

Although the summit lies approximately 100 kilometers west of Phnom Penh in a straight line, reaching the trailhead usually requires a considerably longer road journey. Travel from the capital to the Aoral area commonly takes around three to four hours, depending on road conditions, traffic, and the precise starting point.

The village of Srae Kan, also written Sre Kan, is an important gateway for hikers approaching the mountain. From there, rough tracks continue toward the forest and the main summit trail.

Phnom Aural Wildlife Sanctuary extends beyond the immediate summit area and includes land associated with Kampong Speu, Pursat, and Kampong Chhnang provinces. The sanctuary connects with the wider protected landscapes of the Cardamom Mountains, including Central Cardamom Mountains National Park.

The mountain’s remote position, dense vegetation, and limited infrastructure give it a very different character from Cambodia’s better-known temple and coastal destinations.

📏 Elevation & Prominence

The most widely cited elevation for Phnom Aural is 1,813 meters (5,948 feet).

Some older surveys and reference works give lower figures, including approximately 1,771 meters. These differences reflect variations among maps, surveys, and published geographic references. The 1,813-meter figure is the standard elevation used by major mountain databases and contemporary descriptions of Cambodia’s highest summit.

Phnom Aural’s 1,744 meters of prominence are nearly as striking as its total elevation. Topographic prominence measures how independently a mountain rises above the lowest saddle connecting it to higher terrain.

A peak needs at least 1,500 meters of prominence to qualify as an ultra-prominent mountain. Phnom Aural exceeds that threshold by approximately 244 meters.

Its isolation is also substantial. Peakbagger-based figures place the mountain approximately 420.28 kilometers (261.15 miles) from its nearest higher terrain, with Chuo Yang Sin in Vietnam identified as the nearest higher neighbor in that classification.

Different mapping databases can identify a different higher summit because their terrain models and methods vary. Regardless of the exact neighboring peak assigned, Phnom Aural clearly stands apart as the dominant high point across a large portion of Cambodia and mainland Southeast Asia.

For a closer explanation of these measurements, see What Is Mountain Prominence?.

🪨 Geology

Phnom Aural belongs to the eastern Cardamom Mountains, but its geology differs from much of the surrounding range.

Large areas of the Cardamom Mountains consist of uplifted Mesozoic sandstone. Phnom Aural, however, is associated with a substantial granite massif.

Granite forms when molten rock cools slowly beneath Earth’s surface, allowing mineral crystals to develop. Subsequent uplift, erosion, and long-term weathering expose this rock and shape it into mountainous terrain.

In the Aural region, heavy tropical rainfall and flowing water have gradually carved the massif into steep slopes, ridges, narrow valleys, and stream channels. Dense vegetation conceals much of the bedrock, but the underlying geology contributes to the mountain’s rugged profile and varied habitats.

The contrast between granite on Phnom Aural and sandstone elsewhere in the Cardamoms also helps create differences in soil, drainage, vegetation, and local ecology.

Phnom Aural is not an active volcano. Its present form reflects geological uplift, intrusive granite, tropical weathering, and erosion rather than recent volcanic activity.

🌿 Flora & Fauna

Phnom Aural Wildlife Sanctuary protects a remarkable range of habitats, from dry lowland woodland to moist upper-elevation evergreen forest.

Vegetation changes noticeably as the mountain rises. Lower areas contain dry dipterocarp forest, patches of bamboo, and lowland evergreen vegetation. Higher slopes support increasingly dense hill forest, while the upper mountain contains montane evergreen forest with shorter trees and abundant moisture-loving plants.

Above approximately 1,250 meters, the upper montane forest becomes especially distinctive. Trees are generally shorter than those on the lower slopes, and orchids and other epiphytic plants grow on branches and trunks.

Botanical surveys have noted that the mountain supports a particularly rich variety of orchids. Ferns, mosses, palms, vines, and members of the laurel, oak, and tea families also contribute to the diversity of the forest.

The sanctuary has historically supported or documented wildlife including:

Pileated gibbons.
Pig-tailed macaques.
Silvered langurs.
Asian elephants.
Gaur.
Sambar deer.
Wild boar.
Asiatic black bears.
Civets.
Asian brush-tailed porcupines.
Numerous frogs, lizards, snakes, and forest turtles.

The presence of a species somewhere within the wider sanctuary does not guarantee that hikers will encounter it on the summit trail. Many animals are elusive, nocturnal, or affected by habitat loss and hunting.

Birdlife is particularly important. Two notable regional specialties are the Cambodian laughingthrush and the chestnut-headed partridge, both associated with forested mountain habitats in southwestern Cambodia and nearby southeastern Thailand.

Other birds recorded in the wider landscape include hornbills, pittas, barbets, flycatchers, woodpeckers, and forest warblers. The combination of different elevations and forest types makes the region valuable for birdwatching as well as mountain trekking.

Older descriptions sometimes claim that Indochinese tigers still roam Phnom Aural. That characterization is outdated: Cambodia’s wild tigers were declared functionally extinct in 2016. Conservation organizations have explored reintroduction elsewhere in the broader Cardamom landscape, but hikers should not assume that an established wild tiger population currently lives around Phnom Aural.

🛡️ Phnom Aural Wildlife Sanctuary & Conservation

Phnom Aural Wildlife Sanctuary was established in 1993 to help protect the forests and wildlife surrounding Cambodia’s highest mountain.

The World Database on Protected Areas reports an area of approximately 2,537.5 square kilometers, making the sanctuary a substantial component of the Cardamom region’s protected landscape.

Its conservation importance comes partly from the range of elevations it encompasses. Lowland forests, foothills, mountain streams, bamboo stands, and upper montane habitats support different communities of plants and animals.

The sanctuary also contributes to watershed protection. Forested slopes absorb rainfall, reduce erosion, and help regulate water moving through streams and surrounding lowland landscapes.

Despite its protected status, the area faces serious pressures. Illegal logging, forest clearance, hunting, wildlife trafficking, agricultural expansion, and road development can damage habitats and reduce ecological connectivity.

Cambodia has developed a 2022–2031 management plan for Phnom Aural Wildlife Sanctuary focused on conservation, sustainable resource use, and the protection of natural and cultural resources.

Visitors can support responsible conservation by hiring local guides, following authorized routes, carrying out all trash, avoiding wildlife disturbance, and declining to purchase products made from protected animals or illegally harvested forest resources.

🥾 Hiking & Climbing Routes

The primary approach to Phnom Aural usually begins near Srae Kan village in Aoral District.

Travelers generally arrange transportation from Phnom Penh or Kampong Speu before continuing along rural roads toward the village. The final approach may involve a rough logging track that becomes deeply rutted, muddy, or difficult to cross after rain.

Depending on current conditions, the approach may be completed on foot, by motorbike, or using a locally arranged vehicle. Ordinary passenger cars may not be suitable for the roughest sections.

From the established trailhead, one documented route climbs approximately 9.7 kilometers (6 miles) one way to the summit. Additional distance between the village and trailhead can make the overall outing considerably longer.

The ascent passes through bamboo forest and tropical evergreen vegetation before climbing steeply toward the mountain’s upper ridges. Some sections become slippery when wet, and fixed ropes may be present on particularly steep stretches.

Simple shelters have been reported along the route, including rest areas at approximately 450 meters and 1,175 meters. Conditions, maintenance, and availability can change, so hikers should not rely on these structures without checking in advance.

Most visitors complete the mountain as a two-day trek, often spending a night at an upper shelter or near the summit before descending. Particularly fit hikers may attempt the route in a single long day, but the combination of heat, elevation gain, difficult access, and limited daylight makes that a demanding option.

The summit area contains small structures and Buddhist shrines. Forest cover can restrict panoramic views, although openings along the route may reveal the surrounding Cardamom landscape.

A local guide is strongly recommended. Guides can assist with navigation, trail conditions, protected-area procedures, transportation, and arrangements with nearby communities.

Because Phnom Aural lies within a wildlife sanctuary, hikers should confirm current access requirements, registration procedures, and any necessary permits before traveling.

🏔️ Field Guide Tip: Treat Phnom Aural as a remote tropical wilderness trek. Carry sufficient drinking water, a reliable water-treatment method, sturdy footwear, insect protection, rain gear, a headlamp, offline navigation, and emergency supplies. Mobile-phone coverage may be limited or unavailable.

🌤️ Best Time to Visit

The best time to hike Phnom Aural is usually during Cambodia’s cooler, drier season, especially November through February.

During these months, forest tracks and mountain trails are generally more manageable than during the wet monsoon season. Temperatures also tend to be more comfortable for strenuous hiking, although conditions can still be hot and humid at lower elevations.

March can remain suitable, but temperatures often rise as Cambodia approaches its hottest months. By April and May, heat and humidity can make long climbs considerably more demanding.

The rainy season, typically extending from approximately May through October, creates additional difficulties. Heavy rainfall can turn access roads into deep mud, raise stream levels, increase leech and insect activity, and make steep sections of trail dangerously slippery.

Rain remains possible even during the dry season, and upper-elevation forests can become damp or misty at any time. Always check current weather forecasts and local trail conditions shortly before departure.

🧭 Nearby Mountains & Attractions

Cardamom Mountains

The broader Cardamom Mountains contain an extensive network of forested ridges, wildlife sanctuaries, national parks, rivers, and rural communities. Phnom Aural represents the eastern and highest major summit of this mountain system.

Phnom Samkos

Phnom Samkos rises to approximately 1,759 meters (5,771 feet) in the western Cardamom Mountains and is generally recognized as Cambodia’s second-highest mountain. Its surrounding protected landscape forms another important part of the Cardamom conservation region.

Central Cardamom Mountains National Park

This large protected area lies west of Phnom Aural Wildlife Sanctuary. Together, the two protected landscapes help conserve connected forests and mountain habitats across southwestern Cambodia.

Chuo Yang Sin

Although located across the border in Vietnam rather than immediately beside Phnom Aural, Chuo Yang Sin is geographically significant because Peakbagger-based mountain classifications identify it as Phnom Aural’s nearest higher neighbor.

Phnom Penh

Cambodia’s capital serves as the most practical starting point for many Phnom Aural expeditions. Travelers commonly arrange transportation, supplies, and guiding services in Phnom Penh before continuing west into Kampong Speu Province.

Other Southeast Asian National High Points

Mountain travelers interested in comparing Cambodia’s highest summit with neighboring countries can explore Phou Bia in Laos, Fan Si Pan in Vietnam, and Doi Inthanon in Thailand.

💡 Fun Facts

Phnom Aural is the highest mountain in Cambodia.
Its summit stands approximately 1,813 meters (5,948 feet) above sea level.
The mountain is also the highest point in the Cardamom Mountains.
Its 1,744 meters of prominence make it an ultra-prominent peak.
The word “phnom” means “mountain” in Khmer.
The mountain’s name also appears as Phnom Aoral and Mount Aural.
Phnom Aural Wildlife Sanctuary was established in 1993.
The sanctuary covers approximately 2,537.5 square kilometers.
Unlike much of the sandstone-dominated Cardamom region, Phnom Aural is associated with a large granite massif.
Upper mountain forests support especially rich orchid communities.
Cambodian laughingthrushes and chestnut-headed partridges are among the region’s notable birds.
Small Buddhist shrines have been documented near the summit.
Most summit treks take approximately two days.
Phnom Aural is more than 420 kilometers from its nearest higher terrain under Peakbagger-based classifications.

❓ Frequently Asked Questions

How high is Phnom Aural?

Phnom Aural rises approximately 1,813 meters (5,948 feet) above sea level. Some older references provide lower figures, but 1,813 meters is the most widely cited modern elevation.

Is Phnom Aural the highest mountain in Cambodia?

Yes. Phnom Aural is Cambodia’s highest mountain and the national high point.

Where is Phnom Aural located?

The mountain lies in Aoral District, Kampong Speu Province, in the eastern Cardamom Mountains of southwestern Cambodia.

What mountain range is Phnom Aural in?

Phnom Aural belongs to the Cardamom Mountains, a forested mountain system extending across southwestern Cambodia and toward southeastern Thailand.

What is the prominence of Phnom Aural?

Phnom Aural has approximately 1,744 meters (5,722 feet) of topographic prominence, making it an ultra-prominent mountain.

What is Phnom Aural’s nearest higher neighbor?

Peakbagger-based classifications identify Chuo Yang Sin in Vietnam as Phnom Aural’s nearest higher neighbor. Different mountain databases may identify another Vietnamese summit because they use different terrain models and classification methods.

Can you hike Phnom Aural?

Yes. Phnom Aural can be climbed by a steep forest route usually approached through Srae Kan village. Most hikers complete the journey over two days with the assistance of a local guide.

How difficult is the Phnom Aural hike?

The climb is generally moderate to difficult because of steep terrain, significant elevation gain, tropical heat, humidity, rough access roads, and limited infrastructure. It does not normally require advanced technical climbing skills, but hikers should be fit and prepared for remote conditions.

How long does it take to climb Phnom Aural?

Most treks take approximately two days, including an overnight stay on the mountain. Very fit hikers may complete the route in one long day, while other itineraries allow additional time for transportation and camping.

Do you need a guide to climb Phnom Aural?

A local guide is strongly recommended because the route passes through remote forest and a protected wildlife sanctuary. Guides can also help arrange transportation, access permissions, and current trail information.

What is the best time to visit Phnom Aural?

The most favorable period is generally November through February, when rainfall and temperatures are typically more manageable. March may also be suitable, although conditions become hotter.

Are there tigers on Phnom Aural?

Cambodia’s wild tigers were declared functionally extinct in 2016, so visitors should not expect to encounter an established wild tiger population on Phnom Aural. Conservation groups have explored tiger reintroduction in parts of the wider Cardamom landscape.

What wildlife lives around Phnom Aural?

Wildlife documented in the sanctuary and surrounding landscape includes pileated gibbons, macaques, Asian elephants, gaur, sambar deer, wild boar, civets, porcupines, rare forest birds, reptiles, and amphibians. Actual sightings depend on habitat, season, location, and conservation conditions.

Is Phnom Aural a volcano?

No. Phnom Aural is primarily associated with a granite mountain massif and is not considered an active volcano.

What does Phnom Aural mean?

“Phnom” means “mountain” in Khmer. “Aural” is associated with the local Aoral area, although the deeper origin of the name is not clearly established.

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