Koh Ker

Listen for a moment. Out here there are no tuk-tuk engines and no crowds pressing at your shoulder. There is the dry rustle of leaves, the call of a bird somewhere in the canopy, and the crunch of laterite gravel under your shoes. The air smells of warm earth and old stone. You are deep in the forests of northern Cambodia, at the site of a city that was once, very briefly, the capital of an empire.

This place is Koh Ker. In old inscriptions it carries other names, including Lingapura, which means the city of lingas. A linga is a carved stone pillar that stands for the Hindu god Shiva. Keep that word in mind. You will meet many lingas here, some of them far larger than you expect.

First, the story of how a capital came to be built so far from Angkor. In the early tenth century, a king named Jayavarman the Fourth ruled from this spot instead of the Angkor region. For roughly two decades, Koh Ker was the political and religious heart of the Khmer Empire. Historians still debate why. Some scholars think Jayavarman the Fourth had a rival claim to the throne and built his own power base here. Others see a more complicated family story. What is certain is the scale of what he ordered.

In a short time, his builders raised dozens of temples across this landscape. They cut a huge rectangular reservoir, known as the Rahal, to hold water through the dry season. Water mattered to every Khmer king. A reservoir like this was practical for farming. It was also a statement that the ruler could control nature itself. Then, after the king's death and a short reign by his son, the court moved back to Angkor. The forest slowly returned.

That sudden rise and fall is the first surprise of Koh Ker. Most Khmer cities grew over centuries. This one was built in a rush and then left behind. Because of that, the temples here share a single, very distinct style. Art historians even use the name Koh Ker style for the sculpture of this period. It is known for its size, its energy, and its figures caught in motion.

Now let us walk toward the main temple. Prasat Thom is the largest complex at the site. You approach along an axis, passing through enclosures and gateways. One of the first buildings you may see is Prasat Krahom, which means the Red Temple. The name comes from its brick. In the afternoon light the brick glows a deep rust colour, almost like terracotta.

Then the forest opens, and the pyramid appears. It rises in seven stepped tiers of sandstone and laterite, sharp against the sky. Many visitors say it looks more like a pyramid from Central America than a temple from Southeast Asia. That comparison is only about the shape, of course. The two traditions have no connection. But standing at the base, the resemblance is hard to ignore.

The pyramid represents a sacred mountain, the home of the gods in Hindu belief. Khmer kings built temple mountains to place themselves close to that divine centre. Scholars believe a very large linga once stood on top, dedicated to Shiva. Nothing of it remains up there today. Where access is open, a wooden staircase has been added so visitors can climb safely, and the view from the summit runs across an unbroken sea of green forest.

Here is the second surprise, and it is a painful one. Many of the great sculptures that once stood at Koh Ker are not here. During the years of war and instability in the late twentieth century, statues were cut from their bases and smuggled abroad. Some ended up in private collections. Some reached auction houses and major museums. Among them were monumental figures of warriors and mythological wrestlers, shown in the middle of combat.

In recent years, Cambodia has worked hard to bring these pieces home. Several sculptures have been returned from museums and dealers overseas, and some of their empty pedestals have been identified here at Koh Ker. If you look closely around certain shrines, you may find a stone base with a broken stump where a figure once stood. It is a quiet reminder that a monument can lose its art and still hold the memory of it.

There is another chapter in this landscape that is easy to forget. For years, parts of this area were contaminated by landmines left from the conflict. Demining teams cleared the main paths and temple grounds, which is why the site is now open to visitors. Even so, the safest choice is simple — stay on the marked paths and do not wander into thick undergrowth.

Away from the pyramid, smaller temples are scattered through the trees. At Prasat Pram, a group of brick towers stands in the grip of strangler fig roots. The roots pour down over the brick like poured wax and hold the walls together and apart at the same time. At other shrines you can still see enormous stone lingas resting on their bases, some so large that it is hard to imagine how they were moved and set in place. In 2023, Koh Ker was added to the UNESCO World Heritage List, recognised as an archaeological site of a tenth-century Khmer capital.

Before you leave, stand still for a minute, wherever you are. Look at the stone in front of you. Notice where it is darker from rain, where moss has settled, where tool marks are still visible. A king once imagined a capital here that would last for ever. It lasted a generation. Yet the stones are still standing. As you walk back toward the road, listen again to the forest... and notice how quickly it closes in behind you.