Periyar River

Periyar River is known as the “lifeline of Kerala” because it is an important source of irrigation and power generation. Read more about Periyar River, State, Origin, Tributaries, Dam, Latest News.

Periyar River
Table of Contents

Periyar River Latest News

The Kerala High Court recently stressed the need for a unified authority to monitor the cleanliness of the Periyar River.

About Periyar River

  • It is the longest river in Kerala.
  • It is known as the “lifeline of Kerala” because it is an important source of irrigation and power generation.  
  • Course
    • It rises in the Sivagiri Hills of the Western Ghats range near the border with Tamil Nadu.
    • It flows north through Periyar National Park into Periyar Lake, an artificial reservoir created in 1895 by the construction of a dam across the river. 
    • It further flows into the Vembanad Lake before emptying into the Arabian Sea about 24 km north of Kochi.  
  • Total Length: 244 kilometers
  • It is one of the few perennial rivers of the region and is a crucial source of drinking water. 
  • About 25 percent of Kerala’s industries are located along its banks. 
  • Major Tributaries: Muthirapuzha River, Mullayar River, Cheruthoni River, Perinjankutti River and the Edamala River. 
  • It plays a major role in generating hydro electricity. 
    • The largest hydroelectric project is the Idukki Hydroelectric Project, which generates a significant portion of the electricity for Kerala state.  
    • Other dams constructed across the river are Neriyamangalam, Pallivasal, Panniyar, Kundalam, Chenkulam, and Mullaperiyar. 
  • The birthplace of Sankaracharya, the greatest Advaita philosopher, is at Kalady, which is situated on the bank of the Periyar. 

News: TP

Update Icon
Latest UPSC Exam 2026 Updates

Date IconLast updated on July, 2026

UPSC Prelims Result 2026 is now out.

UPSC IFoS Prelims Result 2026 is now out.

→ Enroll in Vajiram & Ravi’s UPSC Mains Test Series 2026 for structured answer writing practice, expert evaluation, and exam-oriented feedback.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2026 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

→ Join Vajiram & Ravi’s UPSC Mentorship Program 2027 for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

UPSC Prelims Provisional Answer Key 2026 out for GS Paper 1 and CSAT.

UPSC Prelims Question Paper 2026 Out, Download GS Paper 1 PDF conducted on 24th May 2026.

UPSC Mains 2026 will be conducted from 21st August 2026 onwards, and UPSC Prelims 2027 will be held on 23rd May 2027.

UPSC Final Result 2025 is now out.

→ UPSC has released UPSC Toppers List 2025 with the Civil Services final result on its official website.

Anuj Agnihotri secured AIR 1 in the UPSC Civil Services Examination 2025.

UPSC Notification 2026 & UPSC IFoS Notification 2026 is now out on the official website at upsconline.nic.in.

UPSC Calendar 2027 has been released.

→ Check out the latest UPSC Syllabus 2026 here.

→ The UPSC Selection Process is of 3 stages-Prelims, Mains and Interview.

Shakti Dubey secures AIR 1 in UPSC CSE Exam 2024.

→ Also check Best UPSC Coaching in India

Periyar River FAQs

Q1. Which is the longest river in Kerala?+

Q2. Why is the Periyar River known as the "Lifeline of Kerala"?+

Q3. Where does the Periyar River originate?+

Q4. Into which lake does the Periyar River flow before entering the Arabian Sea?+

Q5. What is the total length of the Periyar River?+

Tags: periyar river prelims pointers upsc current affairs upsc prelims current affairs

Vajiram Content Team
Vajiram Content Team
UPSC GS Course 2026
UPSC GS Course 2026
₹1,80,000
Enroll Now
GS Foundation Course 2 Yrs
GS Foundation Course 2 Yrs
₹2,45,000
Enroll Now
UPSC Mentorship Program
UPSC Mentorship Program
₹85000
Enroll Now
UPSC Sureshot Mains Test Series
UPSC Sureshot Mains Test Series
₹29500
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹14000
Enroll Now
Enquire Now