Hirakud Dam is built across the Mahanadi River in Odisha (formerly Orissa). It is one of the world's longest earthen dams and holds immense significance for India's post-independence development.
The Hirakud Dam project is historically significant as it was among the first post-independence 'temples of modern India', a phrase used by PM Jawaharlal Nehru to describe large infrastructure dams and factories that would power India's development.
| Feature | Detail |
|---|---|
| River | Mahanadi |
| State | Odisha |
| Location | Near Sambalpur city |
| Type | Composite dam (Earth, Concrete, Masonry) |
| Length | 25.8 km (about 4.8 km main dam + dykes) — India's longest dam |
| Height | 61 metres |
| Reservoir | Hirakud Reservoir — one of Asia's largest artificial lakes |
| Inaugurated | 1957 by Prime Minister Jawaharlal Nehru |
| Purpose | Flood control, irrigation, and hydroelectric power |
**Hirakud Dam** in Odisha is considered the longest dam in India, with a total length of approximately 25.8 km including dykes and saddle dams.
Neighbouring Countries of India — All 9 Countries with Borders Explained
Neighbouring countries of India: Pakistan, China, Nepal, Bhutan, Bangladesh, Myanmar, Sri Lanka, Maldives, and Afghanistan. Borders, capitals, and key facts.
Nellore to Chennai Distance
Learn the exact distance from Nellore to Chennai by road, train, and air. Understand the route via NH16 and travel time.
Give an Account of the Northern Plains of India
Get the perfect long answer for 'Give an account of the Northern Plains of India'. Learn about the massive alluvial soil deposits from the Indus, Ganga, and Brahmaputra rivers.
States of North India — Complete List with Capitals
List of North India states: J&K, Himachal Pradesh, Punjab, Haryana, Uttarakhand, Uttar Pradesh, Delhi, Rajasthan, and more. Capitals and key facts.
Difference Between North Pole and South Pole
Explore the extreme ends of the Earth. Learn the geographical and biological differences between the North Pole (Arctic) and the South Pole (Antarctica).
Turn this guide into revision flashcards, a practice exam, or an AI-generated podcast — free, no signup required.