The Majestic Mahakandarawa Reservoir: A Legacy of Ancient Sri Lankan Irrigation

Nestled near the sacred Mihintale rock, the Mahakandarawa Reservoir stands as a testament to Sri Lanka’s ancient hydraulic civilization. With its breathtaking views and historical significance, this reservoir, once known as Kanuwāpi, Kanavāpi, Kanavāri, or Kanadiyadora, has played a crucial role in the island’s irrigation heritage for centuries.

A Glimpse into History

According to the Mahavamsa, Mahakandarawa was constructed during the reign of King Mahasen (3rd century CE) as part of his grand irrigation network. Historical records also mention renovations by King Sena I (857 CE) and King Sena II (866-901 CE), highlighting its long-standing importance.

A 12th-century Tamil inscription reveals fascinating details:

  • The bund stretched 1,600 riyan (an ancient measurement) in length.
  • The reservoir was linked to smaller tanks like Mihindu Wewa (now known as Bulankulama), which held ceremonial significance.

Engineering Marvels of the Past

Mahakandarawa is not just a reservoir—it’s part of an intricate cascade system that supported agriculture across the region. Key features include:

1. The Ancient Stone Sluice & Bridge

  • A remarkable stone sluice (gal-vana) still stands, showcasing the precision of ancient Sinhalese engineering.
  • Nearby, the remains of a stone bridge suggest it was used to cross the water channel when the reservoir was operational.
  • Archaeologist Dr. P. Vidanapathirana theorizes that this bridge was part of a major road connecting Anuradhapura’s eastern gate to Gokannatitta Port.

2. The Expansive Tank Network

  • Mahakandarawa fed over 300 smaller tanks, irrigating vast stretches of farmland.
  • Its left bank canal (13 miles) and right bank canal (11.3 miles) distribute water efficiently.

Restoration Efforts in Modern Times

After centuries of neglect, Mahakandarawa was restored between 1958-1961 under engineer D.V.A. Senaratne. Key improvements included:

  • A 2-mile access road for construction.
  • Two new sluice gates and a concrete spillway.
  • Strengthening the bund (40 ft wide) to prevent breaches.

Despite these efforts, water scarcity remains an issue, prompting plans to revive the ancient Yodha Ela (Giant Canal) from Eru Wewa to ensure a steady supply.

Anecdotes & Cultural Beliefs

  • A Visit by Prime Minister S.W.R.D. Bandaranaike (1959)
    During the restoration, Bandaranaike visited the site but humorously dismissed lingering on the past, saying:
    "Young man, let’s not dwell on buried history—let’s go for lunch!" Tragically, this was one of his last public appearances before his assassination.
  • A Supernatural Encounter
    A worker, after eating wild boar meat, claimed to be possessed by Kadavara Deviyo (a local deity), insisting his "vehicle" (a bull) had been wrongfully killed. This incident reflects the deep-rooted folk beliefs still prevalent among rural communities.

Why Visit Mahakandarawa Today?

  • Scenic Beauty – The panoramic view from Mihintale Rock is stunning, especially at sunrise.
  • Historical Significance – A living relic of Sri Lanka’s hydraulic civilization.
  • Off-the-Beaten-Path – Less crowded than other ancient sites, offering a peaceful retreat.

Final Thoughts

Mahakandarawa is more than just a reservoir—it’s a symbol of Sri Lanka’s ancient ingenuity, cultural heritage, and enduring connection to water. Whether you're a history buff, an engineering enthusiast, or a nature lover, this hidden gem is well worth exploring.

Have you visited Mahakandarawa? Share your experiences in the comments below!


THE AUTHOR BY: I.D.M.V.B.ILANGANTHILAKA 

https://www.youtube.com/@StellarPath0722

https://www.pinterest.com/wimukthibi/_pins/

https://www.youtube.com/@SkylineNook-z7y

Location: Sri Lanka

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