Mullayar River is a

tributary A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...

of the

Periyar River Periyar, , (meaning: ''big river'') is the longest river and the river with the largest discharge potential in the Indian state of Kerala. It is one of the few perennial rivers in the region and provides drinking water for several major towns. ...

, the longest river in

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 ...

. It originates at Kottamalai peak in the

Periyar Tiger Reserve Periyar National Park and Wildlife Sanctuary (PNP) is a protected area located in the districts of Idukki and Pathanamthitta in Kerala, India. It is notable as an elephant reserve and a tiger reserve. The protected area encompasses , of whi ...

. The Mullayar flows west through the reserve and joins the Periyar at Mullakudy just at the beginning of the Periyar lake formed by the

Mullaperiyar dam Mullaperiyar Dam , is a masonry gravity dam on the Periyar River in the Indian state of Kerala It is located above the sea level, on the Cardamom Hills of the Western Ghats in Thekkady, Idukki District of Kerala, India. It was constructed bet ...

Other major tributaries of Periyar river

Muthirapuzha River Muthirapuzha River is one of the major tributaries of the Periyar River, the longest river in Kerala state south India. It begins in remote forests above the Pooyamkutty- Edamalayar valley in Ernakulam district of Kerala, and joins the Periyar a ...

Cheruthoni Cheruthoni () is a town on the banks of Cheruthoni River, a major tributary of the Periyar River, the second longest river in Kerala state, India. The area is known by Cheruthoni Dam, which is a part of Idukki reservoir, which provide hydroelec ...

Perinjankutti Perinjankutti River is one of the major tributaries of the Periyar River, the longest river in Kerala state of south India. See also * Periyar River - Main river Other major tributaries of Periyar river *Muthirapuzha River *Mullayar *Cheruth ...

Edamalayar Edamalayar or Idamalayar is one of the major tributaries of the Periyar river, the longest river in Kerala state south India. Idamalayar Dam is situated in this river. It originates in the Anamalais of Kerala's Ernakulam district, and flows int ...

References

Rivers of Idukki district Periyar (river) {{India-river-stub