Sathanur Dam

Sathanur Dam which forms the Sathanur reservoir, is one of the major dams in Tamil Nadu. It is constructed across the Thenpennai River also called as Pennaiyar River in Thandarampet taluk among Chennakesava Hills. The dam can be reached by road 30 km (19 mi) from Tiruvannamalai City. It was constructed in 1958. There is also a large crocodile farm and a fish grotto. Parks are maintained inside the dam for tourists to visit and the gardens have been used by the film industry.

Sathanur Dam
Sathanur Dam Park
Location in Tamil Nadu, India
Official nameLower Sathanur dam project
CountryIndia
LocationSathanur, Thandarampet taluk, Tiruvannamalai district, Tamil Nadu
Coordinates12°08′00.34″N 78°56′48.65″E
PurposeIrrigation
Status2
Construction began1953
Opening date1958
Construction cost₹3.59 Crore
Dam and spillways
Type of damGravity
ImpoundsPonniar River
Height (foundation)119 ft (36 m)
Length4,500.59 m (14,766 ft)
Spillways122
Spillway typeOGEE
Spillway capacity9,061 m3/s (320,000 cu ft/s)
Reservoir
CreatesSathanur Reservoir
Total capacity229.4 MCM or 8.10 tmc ft
Catchment area7,300.43 km2 (2,818.71 sq mi)
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