Erra Matti Dibbalu

Erra Matti Dibbalu also known as the Red Sand Dunes is located along the coast near Visakhapatnam in Andhra Pradesh.

Erra Matti Dibbalu

Erra Matti Dibbalu Latest News

Recently, Andhra Pradesh’s Erra Matti Dibbalu (Red Sand Dunes) have been included in the UNESCO Tentative List of World Heritage Sites. 

About Erra Matti Dibbalu

  • Erra Matti Dibbalu, also known as the Red Sand Dunes is located along the coast near Visakhapatnam in Andhra Pradesh.
  • It was first documented by British geologist William King in 1886, these formations are regarded as rare coastal geomorphological features.

Key Features of Erra Matti Dibbalu

  • It is composed of sand, silt, and clay, with their distinct reddish hue resulting from natural oxidation over thousands of years.
  • The uniqueness of this site is that the red sediments are a part of the continuation of the evolution of the earth and represent the late quaternary geologic age.
  • They exhibit badland topography with different geomorphic landforms and features, including gullies, sand dunes, buried channels, beach ridges, paired terraces, the valley in the valley, wave-cut terrace, knick point and waterfalls.
  • It is a lively scientific evolution site, which depicts the real-time effects of climate change.
  • The site also has archaeological significance, as studies of artefacts indicate an Upper Palaeolithic horizon and on cross dating assigned to Late Pleistocene epoch, which is 20,000 BC.
  • The site contains dendritic drainage patterns and sediment layers that record fluctuations in sea level and climatic changes over the late Quaternary period.
  • Other similar sites: Only two other similar sites exist in the world, one in Sri Lanka and another in Tamil Nadu (Teri Sands).
  • The Geological Survey of India (GSI) declared Erra Matti Dibbalu a National Geo-heritage Monument in 2016. 
  • Issues: Experts note that the site faces threats from tourism and filming activities.

Source: NIE

Latest UPSC Exam 2026 Updates

Last updated on January, 2026

→ Check out the latest UPSC Syllabus 2026 here.

→ Join Vajiram & Ravi’s Interview Guidance Programme for expert help to crack your final UPSC stage.

UPSC Mains Result 2025 is now out.

UPSC Notification 2026 is scheduled to be released on January 14, 2026.

UPSC Calendar 2026 has been released.

UPSC Prelims 2026 will be conducted on 24th May, 2026 & UPSC Mains 2026 will be conducted on 21st August 2026.

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

→ Prepare effectively with Vajiram & Ravi’s UPSC Prelims Test Series 2026 featuring full-length mock tests, detailed solutions, and performance analysis.

→ 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 Best UPSC Mentorship Program for personalized guidance, strategy planning, and one-to-one support from experienced mentors.

UPSC Result 2024 is released with latest UPSC Marksheet 2024. Check Now!

UPSC Toppers List 2024 is released now. Shakti Dubey is UPSC AIR 1 2024 Topper.

→ Also check Best UPSC Coaching in India

Erra Matti Dibbalu FAQs

Q1. How many national geological monuments are there in India?+

Q2. Which is India's first geo heritage site?+

Tags: erra matti dibbalu prelims pointers upsc current affairs upsc prelims current affairs

Vajiram Prelims Team
Vajiram Prelims Team
At Vajiram & Ravi, our team includes subject experts who have appeared for the UPSC Mains and the Interview stage. With their deep understanding of the exam, they create content that is clear, to the point, reliable, and helpful for aspirants.Their aim is to make even difficult topics easy to understand and directly useful for your UPSC preparation—whether it’s for Current Affairs, General Studies, or Optional subjects. Every note, article, or test is designed to save your time and boost your performance.
UPSC GS Course 2026
UPSC GS Course 2026
₹1,75,000
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
₹19000
Enroll Now
Prelims Powerup Test Series
Prelims Powerup Test Series
₹8500
Enroll Now
Enquire Now