Sathanur Dam

Sathanur Dam
Sathanur Dam Park
Location in Tamil Nadu, India
Official name	Lower Sathanur dam project
Country	India
Location	Sathanur, Thandarampet taluk, Tiruvannamalai district, Tamil Nadu
Coordinates	12°08′00.34″N 78°56′48.65″E / 12.1334278°N 78.9468472°E / 12.1334278; 78.9468472
Purpose	Irrigation
Status	2
Construction began	1953
Opening date	1958
Construction cost	₹3.59 Crore
Dam and spillways
Type of dam	Gravity
Impounds	Ponniar River
Height (foundation)	119 ft (36 m)
Length	4,500.59 m (14,766 ft)
Spillways	122
Spillway type	OGEE
Spillway capacity	9,061 m3/s (320,000 cu ft/s)
Reservoir
Creates	Sathanur Reservoir
Total capacity	229.4 MCM or 8.10 tmc ft [1]
Catchment area	7,300.43 km2 (2,818.71 sq mi)

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 and reservoir is the third largest in Tamil Nadu after Mettur and Bhavanisagar.