Sasthamkotta Lake, Kollam: The Queen of Freshwater Lakes in Kerala
Sasthamkotta Lake is the largest freshwater lake in Kerala, located in the Kollam district and surrounded by lush greenery and gentle hills. Recognized as a Ramsar Wetland of international importance, this serene lake is fed by underground springs and serves as a major source of drinking water for nearby regions. Its calm atmosphere, ecological value, and scenic beauty make Sasthamkotta Lake a must-visit destination for nature lovers and eco-tourists.
Overview of Sasthamkotta Lake
- Location: Kollam District, Kerala
- Type: Freshwater lake
- Status: Ramsar Wetland Site
- Known for: Biodiversity, birdwatching, eco-tourism
Key Highlights of Sasthamkotta Lake
Largest Freshwater Lake in Kerala
Sasthamkotta Lake is the biggest freshwater lake in the state, playing a vital role in water supply and environmental balance.
Ramsar Wetland of International Importance
Declared a Ramsar site, the lake is protected for its ecological significance and supports sustainable tourism and biodiversity conservation.
Scenic Natural Surroundings
Encircled by green hills, coconut groves, and calm landscapes, the lake offers a peaceful environment perfect for relaxation and photography.
Rich Biodiversity and Birdlife
The lake is home to migratory and native bird species, making it a popular destination for birdwatchers.
It also supports unique aquatic life such as the cavaborus fish, which helps keep the water clean by feeding on impurities.
Cultural and Spiritual Significance
Sasthamkotta Lake gets its name from the nearby Sastha Temple, dedicated to Lord Ayyappa, adding spiritual value to the destination.
Boating on Sasthamkotta Lake
Visitors can enjoy boating on the tranquil waters, offering close views of the lake’s natural beauty and surrounding greenery.
Ideal Picnic Destination
The calm surroundings and clean environment make the lake an excellent spot for family picnics and group outings.
Nature Walks and Photography
Walking paths around the lake allow visitors to enjoy nature walks, while photographers can capture stunning landscapes and wildlife.
Nearby Attractions
The Sastha Temple, nearby villages, and plantations provide insight into Kerala’s culture and traditional lifestyle.
Eco-Tourism Destination
Sasthamkotta Lake stands as a model for eco-friendly tourism, where conservation and visitor experiences go hand in hand.
Best Time to Visit Sasthamkotta Lake
The ideal time to visit Sasthamkotta Lake is from October to February, when the weather is pleasant and migratory birds are commonly seen.
How to Reach Sasthamkotta Lake
- By Air: Trivandrum International Airport – approx. 90 km
- By Train: Sasthamkotta Railway Station – about 3 km
- By Road: Around 30 km from Kollam town; buses and taxis are easily available
Why Visit Sasthamkotta Lake?
Sasthamkotta Lake offers a perfect blend of natural beauty, biodiversity, and cultural heritage. Whether you are boating on calm waters, watching rare birds, or enjoying the serene environment, the lake provides a truly rejuvenating experience. It is a must-visit destination for travelers looking to explore Kerala’s pristine freshwater ecosystems and peaceful landscapes.
Discover the timeless charm of Sasthamkotta Lake in Kollam, one of Kerala’s most important and beautiful natural treasures.


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