The Secrets of Angkor Wat: How Water, War, and Religion Shaped an Ancient Wonder

Scott Hansen
Atlantis
Published in
8 min readOct 16, 2023
Aerial overview of the main Angkor Wat complex, Angkor, Cambodia.

Angkor Wat is one of the most magnificent and mysterious monuments of the ancient world. Located in the heart of Cambodia, this sprawling temple complex covers an area of about 200 hectares and is surrounded by a moat that is 190 meters wide. It was built in the 12th century by King Suryavarman II as a Hindu temple dedicated to Vishnu, the supreme god of the universe. Angkor Wat is considered to be the largest religious structure ever constructed and a masterpiece of Khmer architecture, art, and engineering.

However, Angkor Wat is not only a monument of beauty and devotion, but also a witness of tragedy and decline. Angkor Wat was once the center of a powerful empire that ruled over most of Southeast Asia from the 9th to the 15th centuries. The Khmer Empire was renowned for its cultural achievements, political influence, and economic prosperity. It was also famous for its elaborate water management system that enabled it to support a large population and a flourishing agriculture in a tropical environment.

But what happened to this glorious civilization? Why did it collapse and abandon its magnificent capital? How did Angkor Wat survive the ravages of time and nature? And what can we learn from its rise and fall? These are some of the questions that this article will attempt to answer, using historical, archaeological, and environmental evidence. In this article, we will explore the various factors that contributed to the collapse of Angkor Wat, such as water management, warfare, political instability, religious and social change, and climate change. We will also discuss the implications and lessons of this collapse for modern society, especially in terms of water management, cultural diversity, and resilience.

The Role of Water Management: The Rise and Fall of a Hydraulic City

Apsaras, heavenly dancing girls, bas-relief from Angkor Wat, Angkor, Cambodia, early 12th century.

One of the most remarkable features of Angkor Wat and its surrounding city was its water management system. The Khmer Empire was able to create a hydraulic city that relied on a complex network of canals, reservoirs, and overflows to control the flow of water and support its agriculture. The water system was essential for the survival and prosperity of the city, as it provided irrigation, drainage, flood protection, transportation, and religious symbolism.

However, this system was also vulnerable to climate change and natural disasters, such as droughts and floods. According to archaeological studies and historical records, Angkor Wat experienced several periods of extreme weather events that disrupted its water system and caused damage to its infrastructure. For example, in the late 14th and early 15th centuries, Angkor Wat suffered from severe droughts that reduced the water supply and affected the crop production. This was followed by intense monsoon rains that caused flooding and erosion, which overwhelmed the water system and damaged the canals and reservoirs.

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These environmental challenges put a strain on the social and political stability of Angkor Wat, as they increased the risk of famine, disease, and conflict. The water system also required constant maintenance and repair, which demanded a lot of labor and resources from the central authority. As the water system deteriorated, the authority of the king and the elite also declined, leading to a loss of cohesion and loyalty among the population. The water system was not only a source of life for Angkor Wat, but also a symbol of its power and glory. When the water system failed, so did Angkor Wat.

The Role of Warfare and Political Instability: The Siege and Sack of a City

Churning of the ocean of milk, with Vishnu (centre) surrounded by his turtle avatar Kurma (below), asuras (left), devas (right), and apsaras and Indra (above), bas-relief, 12th century; at Angkor Wat, Angkor, Camb.

Another factor that contributed to the collapse of Angkor Wat was the role of warfare and political instability. Angkor Wat faced external threats from its neighboring kingdoms, such as Ayutthaya and Champa, who competed for regional dominance. These enemies attacked and sacked Angkor Wat on several occasions, causing population displacement, cultural disruption, and economic loss.

One of the earliest recorded attacks on Angkor Wat was by the Cham people from Champa, a kingdom in present-day central Vietnam. In 1177, the Cham king Jaya Indravarman IV launched a surprise naval raid on the Tonle Sap lake and captured the Khmer capital of Yasodharapura, which was located near Angkor Wat. The Cham forces plundered the city and its temples, including Angkor Wat, and killed the Khmer king Dharanindravarman II. The Khmer empire was able to recover from this attack under the leadership of Jayavarman VII, who defeated the Cham army in 1181 and annexed Champa as a vassal state. Jayavarman VII also embarked on a massive building program that transformed Angkor into a fortified city with a network of roads, hospitals, and temples, such as the Bayon.

However, the expansion of the Khmer empire also brought new challenges and enemies. In the thirteenth century, Angkor Wat faced a growing threat from the kingdom of Ayutthaya, which emerged as a powerful rival in present-day Thailand. The Ayutthayan kings launched several campaigns against Angkor Wat, seeking to conquer its territory and resources. In 1353, King Ramathibodi I of Ayutthaya invaded Angkor Wat and forced the Khmer king Suryavarman III to pay tribute. In 1431, King Borommaracha II of Ayutthaya led another invasion that resulted in the capture and destruction of Angkor Wat. The Ayutthayan army looted and burned the city and its temples, and took many Khmer people as prisoners and slaves. This attack is often considered as the final blow that caused the collapse of Angkor Wat.

The impact of warfare and political instability on Angkor Wat can be seen from various sources of evidence. For instance, we can use historical sources and inscriptions that document the wars and invasions that affected Angkor Wat. We can also use archaeological evidence that shows signs of damage and repair on the temple structures.

The Role of Religious and Social Change: The Transformation of a City

Garudasana Vishnu, gilt bronze sculpture from Angkor Wat, Cambodia, late 12th century; in the Brooklyn Museum, New York.

A third factor that contributed to the collapse of Angkor Wat was the role of religious and social change. Angkor Wat underwent a transition from Hinduism to Buddhism, which affected its religious identity and legitimacy. This change influenced the architecture, art, and administration of Angkor Wat, as well as its relations with other kingdoms.

Angkor Wat was originally built as a Hindu temple dedicated to Vishnu, the supreme god of the universe. It was designed to represent Mount Meru, the mythical abode of the gods, and to serve as a cosmic model of the world. The temple was adorned with elaborate carvings and sculptures that depicted Hindu myths and legends, such as the churning of the ocean of milk and the battle between the gods and the demons. The temple was also aligned with the movements of the sun and the stars, and had a sacred axis that connected it with other temples in the region.

However, in the late 12th and early 13th centuries, Angkor Wat experienced a religious transformation from Hinduism to Buddhism, under the influence of King Jayavarman VII, who converted to Mahayana Buddhism after his victory over the Cham invaders. Jayavarman VII declared himself to be a bodhisattva, or an enlightened being who postpones his own nirvana to help others. He also promoted Buddhism as the state religion and built many Buddhist temples and monuments, such as the Bayon, Ta Prohm, and Preah Khan.

This religious change had a profound impact on Angkor Wat and its society. The temple was modified to accommodate Buddhist worship and iconography, such as adding Buddha statues and images in various places. The temple also lost its status as the state temple and the center of royal power, as Jayavarman VII moved his capital to Angkor Thom and his state temple to Bayon. The temple also faced competition from other Buddhist temples and monasteries that were built in the vicinity.

The religious change also affected the social and political structure of Angkor Wat. The Hindu caste system, which divided society into four hierarchical classes based on birth and occupation, was replaced by a more egalitarian Buddhist system that emphasized moral conduct and spiritual attainment. The king’s authority, which was based on his divine right as a manifestation of Vishnu, was challenged by his claim to be a bodhisattva, which implied that anyone could achieve enlightenment. The king’s relations with other kingdoms, which were based on mutual recognition and tribute, were also altered by his expansionist policies and missionary activities.

The Legacy and Lessons of Angkor Wat

In this article, we have explored the various factors that contributed to the collapse of Angkor Wat, one of the most magnificent and mysterious monuments of the ancient world. We have seen how Angkor Wat was affected by environmental, political, and social changes that undermined its stability and prosperity. We have also seen how Angkor Wat survived the ravages of time and nature and remained as a symbol of Khmer culture and history.

The collapse of Angkor Wat is not only a historical event, but also a relevant lesson for modern society, especially in terms of climate change, water management, cultural diversity, and resilience. We can learn from the achievements and challenges of Angkor Wat and apply them to our current and future situations. For example, we can learn how to design and maintain sustainable water systems that can cope with changing weather patterns and natural disasters. We can also learn how to respect and appreciate different cultural and religious traditions that coexist in our world. We can also learn how to overcome adversity and preserve our heritage for future generations.

There are still many questions and mysteries that remain about Angkor Wat and its civilization. We hope that this article has sparked your interest and curiosity to learn more about this fascinating topic. We also hope that this article has inspired you to visit Angkor Wat and experience its beauty and wonder for yourself. Angkor Wat is not only a monument of the past, but also a living legacy of the present.

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Scott Hansen
Atlantis

Ignite your inner author! I help aspiring writers like YOU to share stories with the world through the Atlantis Project. Write, connect, & be heard.