Koh Ker (Khmer: ប្រាសាទកោះកេរ្ដិ៍) is a remote archaeological site in northern Cambodia about 120 kilometres (75 mi) away from Siem Reap and the ancient site of Angkor. It is a very jungle filled region that is sparsely populated. More than 180 sanctuaries were found in a protected area of 81 square kilometres (31 sq mi).(p13) But only about two dozen monuments can be visited by tourists because most of the sanctuaries are hidden in the forest and the whole area is not fully demined.
Koh Ker is the modern name for an important city of the Khmer empire. In inscriptions the town is mentioned as Lingapua (city of lingas) or Chok Gargyar (sometimes translated as city of glance, sometimes as iron tree forest).(pp8–9)
Under the reign of the kings Jayavarman IV and Harshavarman II Koh Ker was briefly the capital of the whole empire (928–944 AD). Jayavarman IV forced an ambitious building program. An enormous water-tank and about forty temples were constructed under his rule. The most significant temple‑complex, a double sanctuary (Prasat Thom/Prang), follows a linear plan and not a concentric one like most of the temples of the Khmer kings. Unparalleled is the seven‑tiered and 36 metres (118 ft) high pyramid, which most probable served as state temple of Jayavarman IV. Really impressive are the shrines with the two meter high lingas.
Under Jayavarman IV the style of Koh Ker was developed and the art of sculpture reached a pinnacle. A great variety of wonderful statues were chiselled. Because of its remoteness the site of Koh Ker was plundered many times by looters. Sculptures of Koh Ker can be found not only in different museums but also in private collections. Masterpieces of Koh Ker are offered occasionally at auctions. These pieces in present times are considered stolen art.
The site is about two and half hours away from Siem Reap, and basic visitors' facilities are now being built. This makes Koh Ker very attractive for anyone who would like to experience lonely temples partly overgrown by the forest.
Koh Ker is situated between the southern slopes of the Dangrek mountains, the Kulen mountains (Phnom Kulen) in the south-west and the Tbeng mountain (Phnom Tbeng, near Tbeng Meanchey) in the east. Most parts of the hilly ground are covered by jungle, but most of the trees shed their leaves seasonally. In the second part of the 19th century, as French researchers and adventurers ranged the forests around the site of Koh Ker the game population was impressive. The city of Koh Ker was passed by the most important strategic route of the Khmer empire. Coming from Angkor and Beng Mealea to Koh Ker this road led to Prasat Preah Vihear and from there to Phimai in Thailand and Wat Phu in Vietnam.(pp13–14) The region of Koh Ker is relatively dry. Numerous water-tanks and canals were built during the 9th and the 10th century to ensure the water supply. These days water is pumped up from a depth of 30 to 40 metres (98 to 131 ft) meters.(p9)
Jayavarman IV ruled from 928 to 941 at Koh Ker. Probably he was a local king at this remote site (his homeland?) before he became king of the whole empire. That could explain why he preferred to has his residence at Koh Ker and not at Roluos (Hariharalaya) or at Yashodharapura (Angkor) like the kings before him. Some historians think that Jayavarman IV was an usurper. But the majority of them say that he was a legal ruler and could ascend the throne because he married a half sister of king Yasovarman I (889 - 900). It seems to be sure, that the two sons of Yasovarman I (Harshavarman I, who ruled from 900 to 922 and Isanavarman II, who ruled from 922 to 925?) had no children. In the short time as Jayavarman IV reigned in Koh Ker an ambitious building program was realised. That was only possible because of a restrictive system of raising taxes as inscriptions say. About 40 temples, the unique seven-tired pyramid and a huge baray (water-reservoir) were built. Under Jayavarman IV the Koh Ker-style was developed and the art of sculpture reached a pinnacle.(p15)
After the decease of Jayavarman IV not the designated prince became his follower. Harshavarman II (an other son of Jayavarman IV) claimed the throne. Like his father he ruled at Koh Ker (941 - 944) but after three years he died; probably it was not a natural decease. No temples at Koh Ker can be ascribed to him. His follower on the throne (a cousin of him) went back to Roluos (Hariharalaya).(p15)
Koh Ker after 944 AD
Even after 944 as the capital of the Khmer empire had changed back to the plains north of the Tonle Sap-lake some more temples were built at the site of Koh Ker. At the beginning of the 13th century the last sanctuary was realised there. Under Jayavarman VII the Prasat Andong Kuk a so-called hospital-chapel was built (one of more than 100 of hospital-sancturies of this ruler).(p15)(p25)
History of research
In the second half of the 19th century, the french researchers Lunet de Lajonquière and Etienne Aymonier came to Koh Ker. They saw the main temple-complex Prasat Thom/Prang, the Baray and a group of linga-shrines. Too they discovered a few subsections of a chausée with a breadth of more than 8 m. They supposed that a road once connected Koh Ker with Wat Phu (today in southern Laos). Ca. 1880 members of a french expedition arrived at Koh Ker and looted numerous statues and reiliefs. These pieces are now in the musée Guimet in Paris.(p13)
At the beginning of the 20th century art historians realised that a full-fledged style was developed at Koh Ker. Georg Coedes concluded from inscriptions that Koh Ker was capital of the Khmer empire (928 - 944 AD) under the reign of Jayavarman IV and his follower Harshavarman II. In the third decennium of the 20th century again french researchers came to Koh Ker. They discovered numerous monuments and counted finally fifty sanctuaries in a aera of 35 square kilometers. Henry Parmentier made a number of masterful drawings. After an interruption because of the reign of terror of the Khmer rouge the researches at Koh Ker were continued (by APSARA, french, japanese and australian scientists).(p13)
At the beginning of the 21th century scientists detected that not all of the monuments could have been built in the short time as Koh Ker was capital of the Khmer empire (928 - 944 AD). A new era started at Koh Ker as photographs made by satellites were analysed. 2004 the protected aera was extended to 81 square kilometers. During five years japanese researchers explored and described 184 monuments (including the exact position). The australian researcher Damian Evans and his team could verify the supposition of Lajonquière that once was a Khmer route between Koh Ker and Wat Phu, probably the most important strategic road of the Khmer empire.(pp13–14)
Before Koh Ker became capital of the Khmer empire (928 AD) numerous sanctuaries with Shiva-lingas existed already. Koh Ker was a cult site where Shiva was worshiped since a long time. Also Jayavarman IV was an ardent worshipper of this Hindu-god. As later kings (whose residence was not in Koh Ker) changed from Hinduism to Buddhism they gave order to make the necessary adjustments at their temples. Because of its remoteness fortunately the sanctuaries at Koh Ker were spared from these interventions.
Several inscriptions were found which mention Koh Ker as capital of the empire so in Siem Reap, Battambang, Takeo and Kampong Cham (city), . From inscriptons discovered at Koh Ker one can conclude that more than ten thousand people lived at Koh Ker as it was capital (928- 944 AD).The inscriptions explain too how manpower was organised: Taxes in form of rice were raised in the whole country and served to provide the workers who came from different provinces. An inscription at Prasat Damrei says that the shrine on the top of the state temple (Prang) houses a linga of about 4.5 m and that the erection of this Shiva-symbol made a lot of problems. A Sanskrit inscription at Prasat Thom gives evidence of the consecration of a Shiva-linga 921 AD which was worshipped under the name of Tribhuvaneshvara ("Lord of the Threefold World" (Jacques 2007).(p22)
Style of Koh Ker
None of the immense, expressive and beautiful sculptures are left at the site. Numerous of them were stolen and are standing now in museums and also in private collections. Some statues wer put away by government organisations to protect them from looters. Many masterpieces of Koh Ker are now in the collection of the National museum in Phnom Penh.
In late 2011, the remote location drew media attention worldwide when Sotheby's attempted to sell a statue of a mythical Khmer Empire warrior. In March 2012, the US and Cambodian governments filed court documents to seize the statue that they purport was illegally removed from the site. A twin statue, also linked to the Koh Ker site, is on display at the Norton Simon Museum in Pasadena, CA.
Ancient city Koh Ker
The center of the ancient city was in the north-east corner of the baray (water-tank). As inscriptions say at least ten thousand inhabitants lived there during the rule of Jayavarman IV. Some autors speak about a square wall with a side length of 1.2 km which should have protected the town. But new researches indicate, that the linear structures (some parallel, some rectangular) found in this part of Koh Ker were dykes of ancient canals. Concerning the wooden buildings of the Khmer time no artefacts are found.
Laterite, sandstone and brick were used as construction materials in Koh Ker. Laterite and sandstone of excellent quality were quarried in great quantities in the region of Koh Ker. So the transport of stones was no problem. The produced bricks were small, regularely and very concret. A thin layer of organic mortar (plant sap?) of unknown formula was used. After more than a millenium the brick sanctuaries in Koh Ker are in a much better condition than the laterite ones. The roofs of some temples in Koh Ker had a wood construction and were covered with tiles. In these monuments one can find the wholes for the girders. The main sanctuary (the temple-complex Prasat Thom/Prang) was not standing in the middle of the ancient city.(pp16–17)
The huge Baray (water-tank) called Rahal is the largest object at the site of the ancient capital Koh Ker. Its length is about 1200 m and its breath about 560 m. The water-tank has three dams covered by steps of laterite. The orientation of the Rahal is not from east to west like the huge water-reservoirs in Angkor; it follows an orientation of North 15° West. Because the most important monuments at Koh Ker have the same orientation one can conclude that the Baray was constructed first of them. The Rahal was carved out partly of the stone ground but its not clear if a natural hollow was the reason for its orientation. These days most parts of the Baray are dried out and covered by grass. Some puddles can be seen in the corner next to the double-sanctuary.
Trapeang Andong Preng
200 m south of the double-sanctuary Prasat Thom/Prang is a basin dig in the earth with a length of 40 m. It has steps of laterite on all sides. During the rainy season the water is standing to a depth of 7 m. The Trapeang Andong Preng does not belong to a temple. But it could have been a royal bath, because near this place was once the wooden palace of the king.(p32)
Temples and shrines
Complex of the double sanctuary Prasat Thom/Prang
The complex of the main monument in Koh Ker has a linear plan and is about 800 meters long. Its orientation is E15°N, that's rectangular to the Baray. The parking area cuts the complex in two parts. On the east side of the parking are two structures, called palaces. On the west side are the other monuments. They are standing behind the restaurants and are from east to west: an immense entrance-pavillon, two towers, a red brick entrance-tower (Prasat Krahom), a surrounding wall with two courts (in the eastern court is the temple-complex Prasat Thom with a moat, in the western court stands the seven tiered pyramid, named Prang). Behind the enclosure is an artificial hill, the so‑called Tomb of the White Elephant. Except the Prasat Krahom and the Prang (pyramid), this temple-complex is in a bad condition.
At the east side of the parking area are two structures the so-called palaces. Each consists of four rectangular buildings surrounding a court. All eight buildings have three rooms, some have a patio with pillars. Possibly these palaces served as meditation- or prayer-rooms for the king or nobles.
Entrance-pavilion and laterite towers
Between the palaces and the closest monument is a distance of 185 metres (607 ft) On the left side of the parking aera (behind the restaurants) is the impressive entrance-pavillon made of sandstone. It is standing 45 metres (148 ft) away from the double sanctuary and has a cruciform ground-plan. The crossbar is 60 metres (197 ft) long; the stringer has a length of 30 metres (98 ft). Parallel to the cross-bar are two halls. Directly behind the entrance-pavilion are the ruins of two huge laterite towers.
Behind the ruins of the entrance-pavilion and the laterite towers is an impressive red brick tower, called Prasat Krahom (krahom = red), which gives entrance to the enclosured monuments. It has a cruciform plan, is in a good condition and housed once a statue of the Dancing Shiva with five heads and ten arms. The sculpture of a height of 3.50 metres ((pp27–28)11 ft) is broken completely. A fragment of a hand of 0.5 metres (20 in) can be seen in the National Museum in Phnom Penh.
The outer enclosure (3. enclosure) has a length of 328 metres (1,076 ft) and a bredth of 151 metres (495 ft) An additional wall is dividing the inner area in two parts. In the eastern court are a moat and the temple-complex Prasat Thom, in the western court is the pyramid, called Prang. The eastern court with a length of 153 metres (502 ft) is nearly square, the western court has a length of 171 metres (561 ft).
The moat in the eastern court is about 47 metres (154 ft) wide. It borders the Prasat Thom. Lined by trees it lookes really pictorially. Two dams, one at the east side, the other at the west side are leading to the ground within the moat. The dams are flanked by Naga-balustrades. On the eastern dam between the Nagas was additionally a collonade with pillars. Behind each Naga of the east side was standing a huge Garuda (s. above).
Probably some parts of the Prasat Thom including the moat and the 1. (inner) enclosure were built before 921 AD. The sanctuary was expanded unter the reign of Jayavarman IV and has now two surrounding walls inside of the moat. The first wall (inner wall) is made of brick, the second wall (outer wall) with a length of 66 m and a breath of 55 m is made of laterite. Two doors are in the east and in the west. The doors of the second wall have a cruciform plan. The doors of the first wall are smaller and not of cruciform layout. The plane between the first and second wall is completely overbuilt with rectangular structures, possibly later additions. In the center court is the sanctuary and opposite it are two so‑called libraries. Behind the sanctuary on a rectangular platform stand nine towers in two rows (one of five, one four towers. Twelve smaller prasats in groups of three are surrounding the platform. All the 21 towers once housed lingas.(pp27–29)
The seven tiered pyramid called Prang was probably the state temple of Jayavarman IV. Construction of the sanctuary was started in 928 AD. At ground level one side of the square building measures 62 m. The height is 36m. Originally on the top platform stood a huge linga probably more than 4m high and having a weight of several tons. Inscriptions say that it was the tallest and most beautiful Shiva-linga. The linga probably stood in a shrine which some researchers say could have been about 15 m high. On the north side of the pyramid is a steep staircase leading to the top. These stairs are in a very bad condition as is the bamboo-ladder which was constructed in the 20th century, so it is forbidden to climb to the top of the pyramid. Concerning the seventh tier some scientists say, this was the platform of the shrine because on its sides beautiful reliefs of Garudas were made. There is just one Khmer temple which resembles the temple Baksey Chamkrong in Angkor. But the four tiered monument there is much smaller and has a staircase on each of the four sides. On the platform on the top of the Baksey Chamkrong is a prasat in a good condition.(pp27–30) .
Tomb of the White Elephant
Behind the court with the seven tiered pyramid is an artificial hill of exact circle form covered with trees. It is named Tomb of the White elephant. "The white Elephant" is a very well known legend in southeast Asia. There are different theories about the hill. Some say that this structure could be the foundation of a second pyramid. Others say that it could be the grave of Jayavarman IV. The steep path leading to the top of the hill is closed now because of security reasons.(pp7–8)
Sanctuaries along the access road
The most south sanctuary of this group is the Prasat Pram on the west side of the road. A small (300 metres (328 yd)) long path leads to the monument. It has five towers or prasats (pram = five). Three brick towers are standing in a row on the same platform. They face east. The central one is a bit taller than the others. In each of these prasats once stood a linga. These and the beautifully carved lintels were looted. Two prasats (faced west) are standing in front of the platform. One is built of brick and has diamond‑shaped holes in the upper part. This fact indicates that this tower once served as a fire sanctuary (fire cults were very important during the era of the Khmer kings). The other building is small, made of laterite and (in comparison with the brick towers) in bad condition. The bricks of small regular size are held together with an organic mortar of unknown composition (plant sap?). Originally the towers were covered by a white stucco; remains of it can still be seen. Two of the towers are pictorially covered by roots. The five towers are surrounded by an enclosure. The collapsed entrance door (gopuram) is at the east side. Two artefacts of the Prasat Pram can be seen in the National Museum in Phnom Penh: A damaged lion statue and fragments of a standing four-armed Vishnu.(p19)
Prasat Neang Khmau
More north than the Prasat Neang Khmau and on the west side of the road is the Prasat Bak, a small square sanctuary built of laterite; one side mesures only 5m. The temple which is in a very bad condition today housed till 1960 a colossal statue of Ganesha (Ganesha is a Hindu god, son of Shiva and Uma. He is depicted with a human body and an elephant's head). It is known, that the sculpture with the sitting Ganesha now is in a collection outside of Cambodia.
This sanctuary is the most north of this group and lies too on the west side of the street. It has two enclosures. The main entrance door (now collapsed) was itself a sancturary with a square central room (one side mesured 4 m). Three laterite towers (partially collapsed) are standing on the same platform. In front of them are the remains of two brick libraries.The statue of the two fighting monkey kings Sugriva and Valin (figures of the Hindu epos Ramayana) was found at this site and is now in the National museum in Phnom Penh. A fragment of a multi-armed statue of Vishnu was found in front of the tower in the middle. In this tempel are five inscriptions. They mention the names of all the numerous peoples connected to the temple site and those function. (p33)
Monuments along the ring-road
Prasat Balang (Prasat Leung Moi)
The Prasat Balang is the first of three Linga-Shrines standing along the ring-road. It is a square laterite building standing on a platform and has one doorway and an open roof. In the sanctuary is an impressive linga standing on yoni. The phallus-symbol is about 2 m high, has a diameter of nearly 1 m and a weight of several tons. Together with the yoni it was carved out of the bedrock at this place. The linga is in a good condition. The yoni is about 1 m high and appears like an altar. On all four sides once were carved reliefs. In each of the four corners stood a beautiful chiselled Garudu with raised arms giving the impression these mythical figures would bear the yoni. Unfortunately the reliefs and the Garudas were looted. Around the Yoni there is just a small space giving room for some priests to do the prescribed rituals. The water they put on the linga became holy by touching the symbol of Shiva, run down and was collected in a ditch of the yoni. Then via a spout (with is still intact) it flow to the outside of the shrine where believers could touch the blessed water.(p26)
Prasat Thneng (Prasat Leung Pee)
The Prasat Thneng is very similar to the Prasat Balang. Unfortunately looters tried to hack away the impressive linga but were not succesfull. A notch of about a depth of half a meter is left but the Shicva-symbol is still standing unshakeable at its place on the damaged yoni.
Prasat Leung Bon
Prasat Andong Kuk (Prasat Sralau)
Prasat Bantaey Pee Chean
A small path is leading from the ring-road to the Prasat Damrei (damrei = elephant). This sanctuary has an enclosure and is standing on a high platform. On each of the four sides is a staircase with about ten steps. Totally eight stone lions flanked once the stairs but only one of them is at the original place. On oll four corners of the platform once stood a beautiful elephant sculpture but only two oft them remained. The sanctuary built of brick is in a good condition. A Sanskrit inscription found at this temple gives evidence for the erstwhile linga on the top of the pyramid (Prang).(p22)
- Csaba Kàdas (2010). Koh Ker, Shortguide. Budapest: Hunincor. ISBN 978-963-08-0470-7.
- Jolyon Ralph & Ida Chau. "Hematite from Cambodia". Retrieved 1 April 2013.
- "Le site de Koh Ker" (in French). UNESCO World Heritage Centre. 9 January 1992. Retrieved 29 March 2013.
- A short guide to the temples of Koh Ker, Heritage Watch, p. 7
- "Manhattan US Attorney announces civil action seeking forfeiture of 10th century sandstone looted from Cambodian temple". Southern District of New York: US Attorney's Office. 4 April 2012. Retrieved 29 March 2013.
- Csaba Kàdas: Koh Ker, Shortguide, Hunincor 2010, ISBN 978-963-08-0470-7, S. 31,
- A short guide to the temples of Koh Ker, Heritage Watch, p. 10
- "A short guide to the temples in Koh Ker", Heritage Watch (no name of author, etc., no ISBN), ca. 26 pages with plans, drawings and photographs.
- Helen Ibbitson Jessup (2004). Art & Architecture of Cambodia. World of Art. Thames & Hudson. ISBN 0-500-20375-X.
- Dawn Rooney (2011). Angkor: Cambodia's Wondrous Khmer Temples. Odyssey Illustrated Guides. Foreword by Norodom Sihamoni (6th ed.). Airphoto International. pp. 374–380. ISBN 978-9622178021.
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- Koh Ker travel guide from Wikivoyage http://en.wikivoyage.org/wiki/Koh_Ker
- Heritage Watch Cambodia