• Originates from the Varusanadu Hills in the Western Ghats, Tamil Nadu.
• Flows through Madurai, Theni, Dindigul, Sivaganga, and Ramanathapuram districts.
• Length: Approximately 258 km, draining into the Palk Strait.
• Major towns along the river include Madurai.
• Historical site Keeladi is also located along the river.

• Major Tributaries: Suruliyar River, Varaha River, Manjalar River, Kottagudi River, and Kridhumaal River.
• Minor Tributaries: Sambanadi River, Kumilaar River, and Utharakosa Mangaiyar River.

• Srivilliputhur Megamalai Tiger Reserve: Acts as a vital catchment area and supports biodiversity.
• Vaigai Dam: Built near Andipatti, providing irrigation and drinking water.
• Vaigai River Restoration Program: Focuses on cleaning, improving water quality, and promoting biodiversity.

PYQ:

[2021] Which one of the following statements is correct?​

(a) Ajanta Caves lie in the gorge of Waghora river.​

(b) Sanchi Stupa lies in the gorge of Chambal river.​

(c) Pandu-lena Cave Shrines lie in the gorge of Narmada river.​

(d) Amaravati Stupa lies in the gorge of Godavari river.​