Makam Kuno Muncul Saat Waduk Gajah Mungkur Surut, Ternyata Ini Sosoknya

WONOGIRI — As the severe dry season tightens its grip on Central Java, a haunting historical phenomenon has once again manifested in the depths of the Gajah Mungkur Reservoir (Waduk Gajah Mungkur or WGM) in Wonogiri Regency. Rows of weathered, cream-colored rectangular stones are emerging from the receding waters along the shoreline in Wuryantoro Subdistrict, drawing the curiosity of locals, historians, and passersby alike.

These stone structures are not mere geological formations; they are ancient headstones belonging to a cemetery complex that was submerged decades ago during a massive government infrastructure project. Among these surfaced relics lies the storied resting place of Eyang Raden Santri, a revered local figure whose life is steeped in Javanese folklore, mysticism, and the early propagation of Islam.

While local farmers and fishermen go about their daily routines amidst the skeletal remains of the graveyard—largely unfazed by the somber landscape beneath their feet—the recurring annual event serves as a poignant reminder of the communities, cultures, and histories intentionally drowned to make way for modern development.

Main Facts: The Resurgence of the Submerged Tombs

The striking visual of ancient headstones scattered along the edges of the Gajah Mungkur Reservoir occurs exclusively during the peak of the dry season, when evaporation and controlled water management drastically lower the reservoir’s water levels.

Located approximately 500 meters from the Wuryantoro Subdistrict Office, the site is currently difficult to access, surrounded by expanses of muddy banks and shallow pools left behind by the receding water. Up close, the physical condition of the grave markers varies dramatically:

• Material and Structure: Most of the headstones are fashioned from a chalk-like limestone material, featuring a distinct small hole carved into the center—a traditional stylistic element of the era.
• Dimensions: The stones range from half a meter to two meters in length, appearing as rectangular blocks that dot the landscape.
• Preservation: While some markers remain remarkably intact, others are severely eroded, their surfaces worn smooth by decades of water currents, silt accumulation, and exposure. Some headstones bear faint traces of ancient inscriptions, though they have been rendered entirely illegible by natural weathering.

Despite the eerie atmosphere, the surrounding area is a hub of active local commerce and labor. Fishermen cast their nets and farmers cultivate the fertile, newly exposed soil, treating the ghostly monuments of a lost era as a routine backdrop to their daily survival.

Chronology: From a Thriving Village to a Drowned Monument

To understand why an ancient cemetery now sits at the bottom of an artificial lake, one must look back at the radical socio-spatial transformation of Wonogiri during the late 1970s.

1. The Pre-Inundation Era: Dukuh Sentono

Before the construction of the reservoir, the site was a thriving traditional settlement known as Dukuh Sentono within Ngungkingsari Village. It was a typical rural Javanese enclave where tight-knit communities lived off the land. The graveyard in Sentono served as a public burial ground for the local populace, holding the remains of generations of villagers, family lineages, and respected community elders. Among these was Eyang Raden Santri, a local farmer whose mystical encounters and conversion to Islam cemented his status as a legendary cultural patriarch.

2. The Mega-Project of 1974–1981

Between 1974 and 1981, the Indonesian government initiated the ambitious construction of the Gajah Mungkur Reservoir to control flooding, generate hydroelectric power, and supply irrigation. The project, however, came at a staggering human and cultural cost. The creation of the massive artificial lake permanently inundated 51 villages spread across 7 subdistricts in Wonogiri Regency.

The flooding forced the mass displacement and relocation of thousands of residents. While some families chose to transmigrate to distant regions such as Jambi in Sumatra, others relocated to higher ground nearby.

3. Exhumation and Relocation

Prior to the final flooding, an immense logistical and spiritual effort was undertaken to relocate the community’s ancestral remains. According to local elders, the human skeletal remains—including those of Eyang Raden Santri—were exhumed and transferred to a new, designated public cemetery located behind the Wuryantoro Subdistrict Office.

The original wooden or stone headstones at the Sentono site were largely discarded or left behind, while newer, standardized markers were erected at the new burial ground. Consequently, the graves currently emerging from the reservoir are technically empty (suwung), their skeletal occupants having been successfully moved decades ago. Nevertheless, the physical remnants of the old cemetery continue to surface year after year, acting as spectral bookmarks of a displaced community.

The Legend of Eyang Raden Santri: Farmer, Mystic, and Disciple of the Walisongo

While the physical bones have been moved, the cultural memory and legends surrounding the figures buried in Sentono remain firmly rooted in the local consciousness. The most prominent among them is Eyang Raden Santri.

Local historian and community elder Suparso (77), a former traditional puppeteer (dalang), shared the oral history passed down through generations regarding how an ordinary farmer transformed into a revered Islamic missionary.

The Encounter with the Mystic

According to local folklore, Eyang Raden Santri was originally a simple peasant working his fields in Sentono. One day, while digging an irrigation trench to water his crops, a mysterious stranger strolled directly through the freshly dug mud, seemingly ruining his hard work.

Annoyed, Eyang Raden Santri confronted the stranger, demanding to know why he was disrupting the water flow. The stranger calmly replied, "Go back and look; did my footsteps truly ruin your work, or not?"

Puzzled, the farmer checked his trench and was astonished to find that the soil was entirely undisturbed, bearing no footprints or damage. Seized by a mixture of curiosity and awe regarding the stranger’s supernatural abilities, Eyang Raden Santri abandoned his hoe and pursued the man.

The Journey Along the Bengawan Solo

When Eyang Raden Santri caught up to him, the stranger chided him for following. Sensing that the mysterious wanderer possessed profound spiritual power (kesaktian), the farmer pleaded to become his disciple.

The stranger agreed on one condition. He led Eyang Raden Santri to the banks of the Bengawan Solo River, fashioned a simple bamboo raft (getek), and instructed him:

"If you wish to follow me, take this raft. As long as the raft is moving, you must not step off until it stops entirely of its own accord."

Obeying the command, Eyang Raden Santri drifted down the winding currents of the Bengawan Solo for several days, enduring solitude, wind, and hunger, until the raft finally came to a complete halt at Kampung Keblokan, located in Sendang Ijo Village, Selogiri District.

Spiritual Awakening and Return

Exhausted and starving after days on the river, Eyang Raden Santri was discovered by local villagers in Keblokan, who fed him and nursed him back to health. During his stay, he was introduced to Islam, learning the tenets of the faith and how to recite verses from the Al-Qur’an.

Having completed his spiritual tutelage, he was sent back to his home village of Sentono with a mandate to spread the Islamic faith. It was following this profound transformation that he earned the honorific title Eyang Raden Santri.

Local tradition strongly suggests that the mysterious stranger who tested and guided him was none other than one of the Walisongo (the Nine Saints of Java)—likely Sunan Kalijaga or Sunan Giri, figures renowned in Javanese lore for their mystical journeys and unorthodox methods of prosetylization.

A Center of Pilgrimage

Upon returning to Sentono, Eyang Raden Santri became a pillar of the community, imparting religious teachings and earning deep respect. Upon his death, he was buried in the Sentono public cemetery.

Before the construction of the reservoir swept the village away, his grave was a major regional pilgrimage site (ziarah). Devotees from far and wide would travel to Sentono to perform nyadran (ancestral homage rituals) and engage in tapa brata (ascetic meditation) near his tomb before traditional community gatherings or visits to local prayer houses.

Official Responses and Annual Patterns

Local government officials have downplayed any supernatural or alarming aspects of the tombs’ resurgence, classifying the event as a predictable, cyclical hydrological occurrence.

Soemardjono Fadjari, the Camat (Head) of Wuryantoro Subdistrict, explained that the emergence of the ancient graves is a reliable indicator of seasonal shift.

"Every dry season, these tombs typically begin to reappear. However, they only emerge partially at first because the residual water volume in the reservoir remains quite high," Soemardjono stated during a media interview.

He noted that while the water level historically begins to recede enough to expose the upper portions of the graveyard by August, the timeline shifts slightly depending on weather anomalies.

"Usually, they start becoming visible in August. This year, the receding process has been somewhat slower, which is why not all of them have surfaced at once yet," he added.

Despite the lack of administrative alarm, local authorities monitor the area due to the influx of curious onlookers, fishermen, and researchers who navigate the muddy banks to inspect the uncovered ruins.

Implications: Balancing Modern Infrastructure with Cultural Heritage

The annual reappearance of the Wuryantoro ancient tombs touches upon broader themes of heritage preservation, collective memory, and the hidden costs of national development in Indonesia.

1. Erosion of Tangible Heritage: As climate variability leads to more intense and prolonged dry seasons, submerged archaeological and historical sites across Indonesia are increasingly exposed to air, sunlight, and human interference. Without active conservation or documentation frameworks, these limestone markers will continue to erode into oblivion.
2. The Resilience of Oral History: The enduring tale of Eyang Raden Santri highlights how intangible cultural heritage often outlives physical monuments. Even though the original village of Sentono lies beneath millions of cubic meters of water and the actual bones were relocated decades ago, the narrative of local spiritual awakening continues to bind the community to its roots.
3. Infrastructure Versus Historical Continuity: The Gajah Mungkur Reservoir stands as a monumental engineering success that transformed Wonogiri’s economy, agriculture, and flood mitigation capabilities. Yet, the submerged tombs serve as a silent testament to the 51 villages sacrificed in the process—a reminder that modernization often requires communities to bury their physical histories beneath the surface of progress.

As long as the dry seasons persist, the ghostly stones of Sentono will continue to rise from the depths of Gajah Mungkur—briefly breaking the surface to whisper stories of a lost village, a mystic farmer, and an era swallowed by the waters.