The Chinnar River originates in the Annaimalai Hills below a grassy pass between the hills Kumarikkal Mala (8,275 ft) and Kaladekatti Malai In

Idukki District Idukki (ഇടുക്കി; ) is one of the 14 districts in the Indian state of Kerala in the southwest of the country. It is the largest district in Kerala and lies amid the Cardamom Hills of Western Ghats in Kerala. Idukki district co ...

Kerala Kerala ( , ) is a States and union territories of India, 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 ...

state

South India South India, also known as Southern India or Peninsular India, is the southern part of the Deccan Peninsula in India encompassing the states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu and Telangana as well as the union territories of ...

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

Tamil Nadu Tamil Nadu (; , TN) is the southernmost States and union territories of India, state of India. 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 Indi ...

/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 (Tamil Nadu - Kerala, India), State Highway 17 in the Marayoor and Kanthalloor panchayats of Devikulam taluk in the Idukki district of India's Kerala state. ...

and the southern edge of the Indira Gandhi Wildlife Sanctuary. Several adult crocodiles were reported in the Chinnar river in 1992.

Route

The river first proceeds through a large

shola A shola is the local name for a patch of stunted Montane grasslands and shrublands, tropical montane forest found in valleys amid rolling grassland in the higher montane regions of South India, largely in Kerala, Karnataka and Tamilnadu. These ...

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 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.

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 at Koottar. The western part of the

Manjampatti Valley Manjampatti Valley is a protected area in the eastern end of Indira Gandhi National Park, 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 mo ...

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