Krishnarajasagara Dam, commonly known as KRS Dam, is a major water reservoir built across the Cauvery River in the Mandya district of Karnataka, India. It is one of the oldest and most important dams in South India, playing a crucial role in irrigation, drinking water supply, and power generation.

Key Facts about Krishnarajasagara Dam

• Location: Near Srirangapatna, Mandya District, Karnataka

• River: Built across the Cauvery River

• Named After: Krishna Raja Wadiyar IV, the then Maharaja of Mysore

• Built By: Sir M. Visvesvaraya, a legendary engineer and Bharat Ratna awardee

• Construction Period: Between 1911 and 1931

• Purpose:

  • Irrigation of agricultural lands in Karnataka and Tamil Nadu

  • Drinking water supply to Mysuru and Bengaluru

  • Hydroelectric power generation

Engineering Marvel

KRS Dam is one of the first dams in India to use surkhi (a mix of crushed brick and lime) instead of cement. Its unique construction technique and design were revolutionary at the time and earned Sir M. Visvesvaraya global recognition.

Brindavan Gardens

Just below the dam lies the Brindavan Gardens, a famous tourist attraction known for its beautifully landscaped gardens, musical fountains, and boat rides. The gardens attract lakhs of visitors every year.

Importance of KRS Dam

• Agriculture: Supports irrigation for over 1.2 lakh hectares of land

• Drinking Water: Supplies water to Bengaluru, Mysuru, and surrounding towns

• Electricity: Generates hydroelectric power through the associated power station

Tourism & Accessibility

• The dam is located about 18 km from Mysuru and is easily accessible by road.

• Best time to visit is during or just after the monsoon season when the dam is full and Brindavan Gardens are in full bloom.