Hemavati River: Map of Karnataka
Hemavati River is a crucial tributary of the Kaveri River, flowing through the heart of Karnataka and enriching the land, culture, and economy of southern India. From its source in the Western Ghats to its confluence with the Kaveri, the river nourishes farmland, supplies drinking water, and supports diverse ecosystems.
In this article, you’ll learn everything about the Hemavati River—its origin, course, tributaries, Gorur Dam, and its ecological and cultural significance.
Table of Contents
What is the Hemavati River?
Hemavati River is a major tributary of the Kaveri River, originating in the Western Ghats near Ballalarayana Durga in Chikmagalur District. It flows 245 km through Tumkur, Hassan, and Mandya before joining the Kaveri near Krishnarajasagara.
Origin and Course of the Hemavati River
The Hemavati River begins its journey at an altitude of 1,219 meters above sea level, near Ballala Rayana Durga in the Chikmagalur District, nestled in the Western Ghats—a biodiversity hotspot and UNESCO World Heritage Site.
Path of the River
- Chikmagalur District – Origin
- Tumkur District – Enters the plains
- Hassan District – Joined by the Yagachi River
- Mysore District (Mandya) – Merges with the Kaveri River near Krishna Raja Sagara (KRS)
Key Statistics
- Total Length: ~245 km
- Drainage Area: ~5,410 sq km
This southeast-flowing river nourishes multiple districts and communities along its path before joining the Kaveri River, one of South India’s most sacred and economically important rivers.
Tributaries and Hemavati Dam (Gorur Reservoir)
One of the key tributaries of the Hemavati is the Yagachi River, which joins it in Hassan District, enhancing its volume and agricultural impact.
Hemavati Reservoir – Gorur Dam Highlights
- Type: Masonry dam with central spillway and earthen flanks
- Location: Near Gorur village, Hassan District
- Storage Capacity: 37.1 TMCFT (Thousand Million Cubic Feet)
- Irrigation Coverage: 6.55 lakh acres (approx.)
- Irrigates: Mandya, Hassan, and Tumkur districts
The dam is critical for irrigation, flood control, and domestic water supply, transforming the semi-arid region into a productive agricultural belt.
Agricultural and Economic Importance
The Hemavati River plays a central role in Karnataka’s agriculture, especially in the semi-arid districts it flows through.
Crops Irrigated:
- Paddy (rice)
- Sugarcane
- Ragi (finger millet)
- Coconut
- Pulses & vegetables
Farmers rely heavily on seasonal and regulated water releases from the Gorur Dam to maintain crop cycles and income, making Hemavati a key pillar of the rural economy.
Cultural and Historical Significance
Flowing near ancient temple towns like Belur and Halebidu, the Hemavati River is deeply woven into Karnataka’s cultural fabric.
These areas were once part of the Hoysala Empire, whose stone temples are architectural marvels. The river’s life-giving presence helped sustain these once-thriving capitals.
The Hemavati is also considered sacred by locals, featuring rituals and festivals that honor rivers and the monsoon.
Top Places to Visit Around the Hemavati River
- Gorur Dam – Perfect for scenic views, photography, and relaxation
- Yagachi Reservoir – Water sports and peaceful surroundings
- Belur & Halebidu – Hoysala temples near the river
- Chikmagalur – Lush coffee plantations near the source of the river
