The ‘lost city’ of Mahendraparvata at Mount Kulen or Phnom Kulen

Exploring the Lost City of Mahendraparvata at Mount Kulen Cambodia

We’ve been fielding questions about exploring the so-called lost city of Mahendraparvata at Mount Kulen or Phnom Kulen in northern Cambodia, which we wrote about extensively last year, following the New York Times’ recent mention of it under a Siem Reap entry at #47 on its 52 Places to Go in 2014 list.

While the elephant statues, pictured above, are indeed impressive, there are no “majestic temples”, as described by the New York Times writer. Aside from those splendid animals and some small dilapidated towers, the many archaeological sites on the mountain are in a ruinous state.

If you are expecting another Angkor Wat, Bayon or Beng Mealea you will be extremely disappointed. That’s why we don’t recommend that after seeing Angkor Wat you make a beeline for Phnom Kulen if you’re keen to see more of the same. In my Angkor Wat and Around in Three Days itinerary on The Guardian I suggest a drive there for the third day, after you’ve seen the star attractions, such as Angkor Wat, Angkor Thom, Bayon, and Ta Prohm, and you’re not yet templed-out.

A trip to explore Phnom Kulen, home to the ‘lost city’ of Mahendraparvata (that was never really lost, but read on) and a smattering of other atmospheric sights, as well as countless archaeological ruins, is as much about the journey of getting there as the experience of seeing the sites themselves.

There’s a real sense that you’re on an adventure of discovery as you bounce along the plateau on the backs of motorbikes, seeking out hidden archaeological sites buried deep within jungle forest, seemingly ‘secret’ mountaintop villages that suddenly pop out of nowhere, and isolated pagodas, monasteries and secluded shrines. Here’s the story of our first visit to the remote plateau and it’s even more isolated sights.

Exploring the Lost City of Mahendraparvata at Mount Kulen

The silhouette of an enormous, squat, snake-like figure that seemed to be slithering along the surface of the earth suddenly appeared to emerge from the rice fields. Was I seeing things in the dark? I rubbed my bleary eyes, for I’d not long been awake.

It was pitch black when our Cambodian guide Raftanak arrived at 5am in an air-conditioned four-wheel-drive vehicle to collect Terence and I from our hotel overlooking the river in Siem Reap, the city that’s a popular base for exploring the magnificent UNESCO World Heritage-listed Angkor Wat and other spectacular archaeological sites in the area.

The night before I’d fallen asleep with a book on pre-Angkorian history that told the folk-story of Kaundinya, a Brahman prince from a solar dynasty of Indian origin, who had arrived in the area and threw his javelin to identify the site of his future capital. That decision made, he married a snake-woman called Soma (moon), the daughter of the naga or cobra king, thereby uniting the solar and lunar dynasties. So maybe I was dreaming.

Thirty minutes later, as the sun began its rise from behind the mountain, its light piercing the low-lying clouds above, a strange phenomenon had me rubbing my eyes once more.

Enormous pink, peach, apricot, and gold puffs of cloud rose in a formation resembling smoke signals from old Hollywood cowboy and Indian movies, then disappeared as quickly as they had came.

The sun illuminated the sky and the countryside between the road and mountain range, revealing clusters of coconut palms and ramshackle wooden huts on spindly stilts reflected in the still waters of the sodden rice paddies.

“Is that Phnom Kulen?” I asked Raftanak, pointing to the python-like plateau. ‘Phnom’ means ‘mountain’ in Khmer.

“Yes, that’s Phnom Kulen — Mountain of the Lychees!” he confirmed, his white teeth glowing in the dimly lit interior of the car, as he turned to face us in the backseat.

“It’s our holy mountain,” he announced proudly, “Our ancestors called it Mahendraparvata, Mountain of Indra, King of the Gods.”

Indra was also the Hindu king of men, the god of the sky and rain and prosperity, who was frequently seen with his steed, the elephant Airavata, often depicted with three heads. Yet it was the gods Shiva and Vishnu who were more important to indigenous Khmers, who adopted the Indian deities easily to worship alongside their own.

Shiva, to whom many temples were dedicated, was supreme protector of the empire, responsible for the kingdom, while Vishnu was protected universal order and harmony. Shiva was identified by his three eyes, representing the sun, moon and fire, the trident in his hand, and the ox that carried him.

Vishnu carried a wheel-like chakra, club, conch, and a ball representing the earth, and rode a half-eagle half-man garuda.  The Khmers worshipped Shiva in the form of a linga, a stone phallus that represented the essence of the god that was mounted on a pedestal representing a yoni, a woman’s organ, and it was the focus of ceremonies conducted by Brahman priests.

We were headed for Phnom Kulen to see what we could find of what was left of Mahendraparvata, for it was on the mountain that the Khmer Empire was founded in AD 802, when a Brahmin priest performed a ritual that made Jayavarman II ‘universal monarch’ of what would become one of Asia’s most powerful empires.

The young prince Jayavarman II had initially established his capital at Hariharalaya, now known as Roluos, not far from what is now Siem Reap, before moving it some 30km or so northeast to Phnom Kulen, and then some years later moving it back down to the shores of the Great Lake, where he ruled until his death in 835.

Until recently, archaeologists working on the mountain had long suspected the ruins scattered across the plateau of isolated vine-covered towers, massive moss-covered statues of elephants and lions, and sprawling carvings of lingas lying on the bottom of the streams, among other sites, suggested that Phnom Kulen was the location of Mahendraparvata.

Inscriptions on porticoes and stelae found at archaeological sites across the Khmer Empire, many now on display in the Angkor National Museum in Siem Reap, also supported this. But according to our guide, Kulen’s locals residing in the nine villages that dot the plateau had always known this was the case — the people of Mahendraparvata had been their ancestors, after all.

However, it wasn’t until July 2012 when Australian archaeologists Dr Damian Evans and Dr Roland Fletcher of Sydney University watched the results of a hi-tech airborne survey that Evans had spearheaded unfurl before their eyes, that there was finally confirmation that Mahendraparvata was buried beneath the heavy vegetation that blanketed Phnom Kulen.

Not only that, but the data on their computer screen in the form of precise digital models revealed that Mahendraparvata was far larger than anyone could ever have predicted — as was Angkor Wat.

Collected by a laser instrument known as LiDAR that had been strapped to a helicopter that criss-crossed 370 square kilometers of Khmer Empire archaeological sites, the data confirmed what Fletcher and other archaeologists had surmised some years before.

Angkor was one monumental, highly engineered urban landscape, one without parallel in the pre-industrial world, and Phnom Kulen, along with Koh Ker, another remote ruinous city that had been included in the survey, were probably later incorporated into the conurbation as service cities.

Phnom Kulen after all was resource-rich, the source of the spring water that flowed down the mountain into the Siem Reap River and along streams and canals to the massive barays and smaller ponds built to store water for the colossal city.

The mountain was also home to the quarries that provided the stone that built stupendous Angkor Wat and other temple cities, and skilled artisans and craftsmen who carved the elaborately decorated stonework and exquisite statues.

It wasn’t until June 2013, when a peer-review process was completed of the report on the findings, authored by Evans, Fletcher and others from a consortium of archaeological groups — including Cambodia’s APSARA authority, which manages Angkor — that the news was publicly released.

Terence and I had returned to Siem Reap at the time and had already revisited Angkor Wat, Angkor Thom and other temples, including the Roluos group, but we hadn’t been to Phnom Kulen and were eager to experience the mysterious Mahendraparvata about which so little was known.

Half an hour after the sun rose — the 32-kilometre long plateau teasing us each time it came into view on the way there, reeling us in closer with its history, myths, legends, and its recent news — we reached the base of the 492-metre high mountain. It was another hour of measured driving over a rough road, cracked and pot-holed from monsoon rains, to the River of A Thousand Lingas.

There we met APSARA Authority archaeologist, Mr Hak, who was responsible for maintaining the Phnom Kulen sites, and we hopped on behind local guides on motorbikes who Raftanak organized to take us on a daylong bone-rattling ride to see some dozen sights. The additional guides were needed because much of Phnom Kulen, once a Khmer Rouge stronghold, was still riddled with landmines.

While few foreign tourists explore the plateau of Phnom Kulen — Raftanak and his moto-guys do the trip on average twice a month — the River of A Thousand Lingas, its waterfalls, and the nearby massive 16th-century reclining gold Buddha carved out of solid rock at Preah Ang Thom is a popular destination.

Buddhist pilgrims, picnicking families and groups of friends, along with expats, come here looking for respite from Siem Reap’s sticky heat. Other than that, only the occasional hikers, dirt-bike enthusiasts and bird-watchers visit.

We went to Phnom Kulen to see the sites few people see, so after photographing the carved lingas that lay beneath the water as best as we could, we were on our way, bouncing along rough tracks, volcanic rocks and muddy courses. We crossed dilapidated wooden bridges and whizzed through rapidly flowing streams.

We climbed slippery clay hillsides and hiked narrow trails lined with towering trees. We puttered along routes through thick forest only our guides could identify, and when none existed they carved out one with a scythe. That was our routine for the day, each arduous journey ending with a reward.

We gazed in awe at gigantic stone elephants and lions resting in the dappled light at Srah Damrei (Elephant Pond) and a massive moss-covered elephant at Damrei Krap (Kneeling Elephant). Time and again, we wearily alighted from the bikes in a shaded clearing only to be startled to life by the appearance of a solitary temple or trio of towers hidden beneath foliage.

There were the tumbledown brick temples of O’Thma, Prasat Neak Ta and Prasat Chrei, surrounded by long grass and grown over with shrubs, some decorated, others bare, their riches having been stolen long ago. At the latter we felt like Indiana Jones when we discovered a lintel, adorned with lotus flowers, abandoned to the undergrowth.

The most impressive site was the lone tangerine-coloured temple tower of Prasat O’Paong, tufts of long grass sprouting between its bricks. Also enchanting were the carvings of Shiva, Vishnu and a row of rishis (wise men) on immense lichen-covered boulders at Poeng Tbal, where we got caught in torrential rain. 

But the most special experience was not the most impressive visually.

After scrambling over the tumbledown remains of the laterite three-tiered pyramid temple of Prasat Rong Chen, we arrived at the top at the very pedestal that had held the linga that marked the place where the Brahman priest performed the rite that made Jayavarman II absolute monarch.

The photos I took aren’t much to look at. There were no enormous statues or intricate carvings. It was enough to know that this was the birthplace of the Khmer Empire.

When to go to Mount Kulen

The best time to visit Mount Kulen is December to February when the skies are clear and humidity and rainfall are at their lowest (but unfortunately crowds are at their peak). March to May is also good, but this is when it’s hottest and the heat builds up until monsoon starts. There are still the odd heavy showers and oppressive humidity.

Closer to monsoon, short showers are welcomed although downpours can inhibit your temple scrambling as the stones get slippery. June to November is monsoon season when there’s every chance of heavy rain and localised flooding, especially up at Mount Kulen. Things get very wet and muddy and many tracks are impassable. You can read more about the monsoon season in Cambodia here.

How to get to Mount Kulen

You can visit Phnom Kulen on a long day trip from Siem Reap. We recommend leaving in the darkness so the sun is rising as you get there for the best light.

We travelled with Backyard Travel a couple of times on something of a bespoke adventure that we developed with the company, guided by the temples we had wanted to see on our first trip, and by local archaeologist Hak on the second.

Backyard Travel can do a bespoke one-day ‘Kulen Discovery Tour’, which covers what we think is the best of what we saw over a few trips. It includes return transfers from Siem Reap to Phnom Kulen, entry tickets, motorbike hire, guides and lunch for US$160/UK£90 per person, based on two travelling together. Backyard Travel can also organize longer trips covering all the sites we visited, or shorter tours only covering the more popular sights. These trips can also take in some of the more off-the-beaten-track temples.

This is the only tour company we have used to explore Mount Kulen so it’s the only one we can recommend until we try out others. If you’ve been to Mount Kulen with a guide or tour company you loved, please let us know in the Comments below and we’ll test them out.

If you decide to go it alone you can hire your own moto drivers when you get there, but be warned: they speak little English. You’ll get more out of the experience with a guide. Either way, you shouldn’t simply wander off on your own and start slashing your way through the jungles looking for temples as parts of the Phnom Kulen plateau are still riddled with landmines. If you do a hike, stick to the well-worn paths.

What to read about Mount Kulen

There is little information in travel guidebooks about Mount Kulen. For more information on the history and period see Angkor and the Khmer Civilization by Michael D Coe (Thames & Hudson, 2004), widely available in Siem Reap.

For more on the LiDAR survey and its results see our other stories in The Guardian, on CNN Travel, and in National Geographic Traveller (UK), based on interviews with Dr Damian Evans, Roland Fletcher and other archaeologists working around Angkor, and trips into the field.

You might also find our guide to experiencing Angkor Wat and the other Angkor temples helpful. We’ll soon be adding guides here on Grantourismo to some of the more off the beaten track temples, such as Koh Ker.

A shorter version of the story above appeared in Wanderlust magazine in October 2013.

There are 6 comments

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  1. Lesley Peterson

    Fascinating post and tips. Cambodia looks full of natural as well as human-made wonders. Those giant elephant sculptures would be worth the trip but I’m glad you mentioned the landmines:/ That’s definitely need-to-know information.

  2. Lara Dunston

    Thanks, Lesley. The giant animal statues are impressive, but so is slashing your way along an over-grown jungle path to discover a pretty crumbling temple tower. Mount Kulen is quite the adventure. The landmines are not an issue as long as you go with a local. I think it’s been some years since anyone up there has trod on one. At the same time, unfortunately they know the area hasn’t been completely cleared so better to be safe than sorry. Thanks for dropping by!

  3. Andrew

    Hi Lara,

    Thanks for your post here. Just wondering, if you were choosing between the TripleACambodia Floating Village tour and the Beyond Unique Escapes Kulen Mountain hike, which would you go with? I’ll be there (solo) late September (leaving October 2 after four nights) so perhaps a choice is weather dependent?

    Much appreciated,


  4. Lara Dunston

    Hi Andrew, touch choice… if you have four days in Siem Reap, I’d recommend you visit both the floating villages and Mount Kulen, but not necessarily the Mount Kulen hike.

    September is usually the wettest month of the monsoon period, but we’ve actually had a very dry monsoon this year. We had rain the first time last night in a few days. So rain might not be an issue for you as it was when we went to Kulen to do the story above. Having said that, I think rain is part of the experience of visiting the tropics. I know it can put a dampener (sorry) on things if you’re only here for a few days, but there’s something special about the wind and swaying palms that signal an approaching storm, and then those dramatic black skies that depart as quickly as they arrive. And I must admit I love sitting in a cafe with something cold in my hand while the rain is pelting down. It’s pretty special.

    If I had to choice between two, I’d recommend the floating village experience, because it offers variety: you get to spend the first part of the tour on a bicycle cruising through rustic villages set amidst lush green rice paddies and seeing how locals live, stopping to visit homes to chat to people and visit a local market. It’s a really pleasant experience. Then you get out on the water, and that’s really lovely again, and aside from seeing how locals live during wet season, you also get to visit a home for lunch.

    Visiting Kulen is mostly about the mountain and nature, and – if you do what we did and skip the hike, drive up the mountain, and jump on the back of a motorbike – playing Indiana Jones and seeing some very ruined ruins hidden in the forest. You’ll get glimpses of local life: people visiting the pagoda with the reclining Buddha, farmers toiling pockets of land on the top of the plateau, monks in the most unexpected of sacred places, and, especially if you go on a weekend, Cambodians from all over the country having picnics by the waterfall, which they usually do after they’ve visited the pagoda.

    Going up to Kulen by vehicle and then doing the motorbike ride is more expensive than the floating village tour, but not many tourists do it and it can be quite an adventure – especially if it rains!

    I really love Kulen, but if I had to choose between two, I’d recommend the floating village experience, because you get to see two very different ways of life – in the village and on the water, by bike and boat, and there’s much more interaction with locals.

    While TripleA does a great job with their floating village tour, I can’t rave enough about Beyond Unique Escapes’ experiences – their Treak Village Walk and Talk is my favourite tour in Siem Reap – and whenever clients/readers/friends simply want to hire a guide for the day, I recommend them as their guides are the best and their prices the most reasonable.

    Hope that’s helpful! Don’t hesitate to let us know if you have any other questions. Do browse our Siem Reap section – lots more there on things to do and places to stay, eat and drink. Enjoy!

  5. Andrew

    Thanks so much Lara,

    This is fantastic to take in!

    I do intend to do the Treak Village Walk and Talk one morning.

    The Floating Village Tour was my first choice and I only read about Kulen today. I got excited about the nature aspect so I still may venture that way via the means you’ve suggested . . . is there any particular site you suggest by way of getting a driver to take you there or is that easy enough to sort with your hotel?

    Thanks again. I have friends coming through at various times as well and I’ll point them here, no doubt.



  6. Lara Dunston

    Excellent – book the Treak Village Walk and Talk as far in advance as you can and ask for Lim, as he’s in demand. Lim is Beyond’s best guide and you’ll have an incredible time with him. Email them and tell them Lara and Terry recommended you do the walk with Lim :)

    These questions are great! I’ll have to add some of this to the post above :)

    Re a driver – once at Siem Reap Airport, after you pass through Immigration, collect your luggage, and pass through customs, you’ll see a desk to your left where you arrange your taxi into town. If the driver is good (ie. he’s not annoying and his English is decent), grab his card. He’ll probably offer it anyway, along with a leaflet listing destinations/’tours’ and prices. These are standard prices and the most reasonable. Hotels and travel agents add a bit extra for their commissions. If you don’t fancy spending a day with him, you can phone the office number and organise another driver. Also, not every driver will take their car up there during the wet season as it can get incredibly muddy and parts are really best tackled with a four wheel drive. Although Cambodians will drive sedans to the main car park near the waterfalls.

    That’s the cheapest way to visit Kulen. A motorbike driver will then cost you $10 to tear around the mountain for the good part of a day.

    However, you’ll get more out of it with a guide, especially if you want to visit some of the hidden temples. Unfortunately the motorbike drivers’ English is very limited, so once you decide where you want to go, you’ll need someone to communicate that. Again, you can hire a guide and organise a day at Kulen through Beyond. It will be a private tour, so will be a bit more expensive than their group tours, but then you don’t have to do the hike up.

    Once you get on top of the mountain, of course, hiking is also an enjoyable way to experience the plateau and is an alternative to motorbike, although you won’t cover as much ground, for obvious reasons. We haven’t yet tried this tour and we don’t normally recommend experiences we haven’t tried firsthand, however, this Mount Kulen experience, largely on foot, comes highly recommended from expat friends who’ve done it: People also like his kayaking experience.

    Feel free to point your friends to my itinerary service:

    Enjoy! And let me know if there’s anything else.

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