Nagarjuna Sagar, one of the world's largest masonry dams, spans the Krishna river, its vast reservoir submerging much of an ancient Buddhist archaeological landscape that was carefully excavated and relocated to Nagarjunakonda Island before the dam's completion. The island, now reachable only by boat, houses a museum and reconstructed Buddhist monuments, giving the site a genuinely unusual combination of major engineering infrastructure and significant ancient heritage.
The surrounding Nagarjunasagar-Srisailam Tiger Reserve adds wildlife interest to the area, and the dam's sheer scale, combined with the boat journey to Nagarjunakonda's preserved Buddhist ruins, makes this one of Telangana's most distinctive combined engineering-and-heritage destinations.
Nagarjunakonda was once a major centre of Buddhist learning under the Ikshvaku dynasty in the 3rd-4th centuries CE, and when the Nagarjuna Sagar Dam's reservoir threatened to submerge the site in the 1960s, an extensive excavation and relocation effort preserved its most significant structures on higher ground, now forming an island museum.
October to March.
About 165km from Hyderabad, roughly 3.5-4 hours by road.
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