"Nagarjuna Sagar Dam (Telugu: ?????????????? ??????) is a masonry dam on the Krishna River at Nagarjuna Sagar in the border of Guntur and Nalgonda districts of Andhra Pradesh State, India. The construction duration of the dam was between the years of 1955 and 1967. The dam created a water reservoir whose capacity is 11,472 million cubic metres. The dam is 490 ft (150 m). tall and 1.6 km long with 26 gates which are 42 ft (13 m). wide and 45 ft (14 m). tall. Nagarjuna Sagar was the earliest in the series of large infrastructure projects initiated for the Green Revolution in India; it also is one of the earliest multi-purpose irrigation and hydro-electric projects in India. The dam provides irrigation water to the Nalgonda, Prakasam, Khammam, Krishna and Guntur districts along with electric power to the national grid."
"Nagarjunsagar-Srisailam Tiger Reserve is the largest Tiger reserve in India . The reserve spreads over five districts, Nalgonda District, Mahbubnagar district, Kurnool District, Prakasam District and Guntur District. The total area of the tiger reserve is 3,568 acres (14.44 km2). The core area of this reserve is 1,200 km2 (460 sq mi). The reservoirs and temples of Srisailam are major attraction for many tourists and pilgrims."
Srisailam Wildlife Reserve
"Ethipothala Falls is a 70 feet (21 m) high river cascade, situated on the Chandravanka river, a tributary of the River Krishna. The waterfall is a combination of three streams namely Chandravanka Vagu, Nakkala Vagu and Tummala Vagu. It is situated about 11 kilometres (6.8 mi) from Nagarjuna Sagar Dam. The river then joins the Krishna river after the dam after traveling about 3 kilometres (1.9 mi) from the falls. A strategic view point was created by Andhra Pradesh Tourism Department from the adjacent hillock. There are Ranganatha and Dattatreya temples in the vicinity. There is a crocodile breeding centre in the lagoon formed by the falls."