The Chinnar River originates in the

Annaimalai Hills The Anamala or Anaimalai, also known as the Elephant Mountains, are a range of mountains in the southern Western Ghats of central Kerala ( Idukki district, Ernakulam district, Palakkad district, Thrissur district) and span the border of west ...

below a grassy pass between the hills Kumarikkal Mala (8,275 ft) and Kaladekatti Malai In Idukki District,

Kerala Kerala ( ; ) is a state on the Malabar Coast of India. It was formed on 1 November 1956, following the passage of the States Reorganisation Act, by combining Malayalam-speaking regions of the erstwhile regions of Cochin, Malabar, South ...

state

South India South India, also known as Dakshina Bharata or Peninsular India, consists of the peninsular southern part of India. It encompasses the Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and Telangana, as well as the union territo ...

. The 18 km long Chinnar river defines the East-West

Tamil Nadu Tamil Nadu (; , TN) is a States and union territories of India, state in southern India. It is the List of states and union territories of India by area, tenth largest Indian state by area and the List of states and union territories of India ...

/Kerala state boundary along the northern edge of the

Chinnar Wildlife Sanctuary Chinnar Wildlife Sanctuary is located 18 km north of Marayoor on State Highway 17 in the Marayoor and Kanthalloor panchayats of Devikulam taluk in the Idukki district of Kerala state in South India. It is one of 18 wildlife sanctuaries a ...

and the southern edge of the

Indira Gandhi Wildlife Sanctuary Anaimalai Tiger Reserve, earlier known as Indira Gandhi Wildlife Sanctuary and National Park and as Anaimalai Wildlife Sanctuary, is a protected area in the Anaimalai Hills of Pollachi and Valparai taluks of Coimbatore District and Udumalaipet ...

. Several adult crocodiles were reported in the Chinnar river in 1992.

Route

The river first proceeds through a large

shola Sholas are the local name for patches of stunted tropical montane forest found in valleys amid rolling grassland in the higher montane regions of South India, largely in Kerala, Karnataka and Tamilnadu. These patches of shola forest are found ...

then past the Muthuvar settlement of Olikkudi at . There is another small village #2 at . There are Kerala and Tamil Nadu border checkpoints on either side of the river where a SH 17 road bridge crosses the river at . 2 km east it is joined from the south by the

Pambar River Pambar is the name of three rivers in South India: * Pambar River (Northern Tamil Nadu) * Pambar River (Southern Tamil Nadu) * Pambar River (Kerala) {{Disambiguation ...

at Koottar where a comfortable tree house accommodation is available.Blue Yonder Holidays Pvt Ltd, Chinnar, the real treasure trove, retrieved 8/30/200
Koottar Tree House
. Here it crosses into Indira Gandhi Wildlife Sanctuary in Tamil Nadu and becomes the

Amaravati River The Amaravati River is the longest tributary of Kaveri River in the fertile districts of Udumalpet, Dharapuram and Karur Tamil Nadu state, South India. Notes The long Amaravati River begins at the Kerala/Tamil Nadu border at the bottom of ...

Tributaries

The river is joined by a small stream from the south at a small village, 2. 2 km east of the NH 17 road bridge, while the river is joined from the south by the

Pambar River Pambar is the name of three rivers in South India: * Pambar River (Northern Tamil Nadu) * Pambar River (Southern Tamil Nadu) * Pambar River (Kerala) {{Disambiguation ...

at Koottar. The western part of the

Manjampatti Valley Manjampatti Valley is a protected area in the eastern end of Indira Gandhi Wildlife Sanctuary and National Park (IGWS&NP) in Tirupur District, Tamil Nadu, South India. It is a pristine drainage basin of shola and montane rain forest with high ...

catchment basin drains into the end of the Chinnar River. This Valley is drained by the stream Ten Ar and a smaller unnamed stream 2 km to its west. The unnamed stream is the N-S political boundary between Tamil Nadu and Kerala. The top of the ridge above this stream to the west is the western limit of the catchment. This unnamed stream joins the Pambar River at the point they both join the Chinnar River at the north west corner of the Valley.

Notes

{{Waters of Kerala Rivers of Tamil Nadu Rivers of Idukki district Geography of Coimbatore Rivers of India