Sasthamkotta Lake

Introduction: The Queen of Lakes in Kerala

Located in the Kollam district of Kerala, Sasthamkotta Lake (Sasthamcotta Kayal) holds the proud title of being the largest fresh-water lake in God's Own Country. Spanning over 3.7 square kilometers and surrounded by steep, green hills, this pristine wetland ecosystem serves as the primary source of clean drinking water for over half a million residents of Kollam city and surrounding panchayats. Designated as a Ramsar Wetland of International Importance in 2002, Sasthamkotta Lake stands out as a unique natural sanctuary where crystal-clear freshwater meets serene tropical hills, ancient temples, and rich avian biodiversity.

Unlike the brackish backwater estuaries that dominate coastal Kerala, Sasthamkotta's waters remain remarkably pure year-round, thanks to the natural presence of abundant Cavaborus larva populations that consume organic debris. Named after the ancient Sastha Temple (dedicated to Lord Ayyappa) located dramatically on its banks, the lake offers an uncrowded, peaceful escape for international travelers from the US, domestic tourists across India, nature lovers, and spiritual seekers. Whether you are taking a quiet rowboat ride across its glassy surface, observing friendly monkey troops along the temple shores, or enjoying sunset views from hill vantage points, Sasthamkotta Lake offers a refreshing retreat into Kerala's countryside.

History, Mythology, and Ecological Legacy

The history and spiritual heritage of Sasthamkotta Lake are deeply intertwined with ancient Indian epics and regional royal history. According to sacred local legend, Lord Rama, along with Sita and Lakshmana, visited the shores of Sasthamkotta on their return journey to Ayodhya after defeating Ravana. It is believed that Lord Rama offered prayers to Lord Sastha (Ayyappa) at this site and left behind a band of monkeys (Vanaras) to guard the holy lake and shrine. To this day, hundreds of wild monkeys inhabit the temple grounds, revered by local devotees who feed them daily as sacred guardians of the sanctuary.

Geologically, Sasthamkotta Lake is an isolated freshwater aquifer formed thousands of years ago, completely devoid of salt water intrusion despite being located near coastal backwater systems. The lake is fed primarily by underground freshwater springs and monsoon rainfall runoff, making its conservation critical to the water security of South Kerala. Recognized globally for its unique hydrology, Sasthamkotta is protected under international Ramsar wetland conservation guidelines to preserve its fragile aquatic flora, commercial freshwater fish species, and surrounding forest hills.

Key Natural & Spiritual Highlights

• The Ancient Sastha Temple: A historic hill shrine dedicated to Lord Ayyappa, set directly on the lake edge, famous for its resident monkey troops and ancient temple architecture.
• Ramsar Freshwater Ecosystem: Designated as a Wetland of International Importance, harboring rare freshwater fish species, aquatic plants, and migratory waterfowl.
• Self-Purifying Waters: Celebrated for its exceptional water purity maintained by natural biological food chains without heavy chemical treatments.

How to Reach Sasthamkotta Lake

Sasthamkotta is conveniently situated approximately 25 km from Kollam city center, accessible via excellent road and rail networks.

By Air

The nearest airport is Thiruvananthapuram International Airport (TRV), located approximately 85 km (about 2 to 2.5 hours drive) south. Pre-paid taxis, app-based cabs, and state transport buses connect the airport directly to Sasthamkotta via National Highway 66 (NH 66) and state highways.

By Train

Sasthamkotta has its own dedicated railway station: Sasthamkotta Railway Station (STKT), situated just 3 km from the lake. It is well-connected by passenger and express trains operating along the Trivandrum-Kollam-Ernakulam rail line. For major national express trains, Kollam Junction (QLN) is located 25 km away.

By Road

Sasthamkotta is well-serviced by smooth roads. Regular Kerala State Road Transport Corporation (KSRTC) and private buses operate continuously from Kollam, Karunagappally, Adoor, and Kottarakkara directly to the Sasthamkotta Bus Stand near the temple gate.

Best Time to Visit

Sasthamkotta Lake offers pleasant weather and scenic green hill vistas year-round, though seasonal changes alter outdoor activities and sunset clarity.

Peak Season: Winter (October to March)

The post-monsoon and winter months offer the best weather for visiting Sasthamkotta. Temperatures range comfortably between 20°C and 30°C (68°F–86°F) with clear blue skies, low humidity, and pleasant lake breezes—ideal for rowboat rides, temple visits, and nature walks.

Summer Season (April to May)

Summers bring warmer weather (26°C to 35°C). While midday sunshine can be bright, early morning and late afternoon hours offer pleasant conditions for lake photography, feeding temple monkeys, and sunset views.

Monsoon Season (June to September)

The monsoons fill the lake to capacity, turning the surrounding hills into a lush, vibrant green landscape. Rain enhances the scenic beauty, though heavy downpours can briefly pause outdoor boating activities.

Top Attractions Around Sasthamkotta Lake

1. Sasthamkotta Sree Dharma Sastha Temple

Visit the historic hill temple overlooking the lake, famous for its grand traditional entrance, peaceful spiritual atmosphere, and sacred monkey troops that gather for daily temple food offerings.

2. Lake View Points & Sunset Promenades

Elevated hill roads surrounding the lake offer panoramic vistas over the wide expanse of water, perfect for evening walks and sunset photography.

3. Munroe Island (18 km away)

A tranquil archipelago located a short drive away, world-famous for narrow canal canoe tours, coir-spinning units, and backwater island life.

4. Chavara & Ashtamudi Lake (20 km away)

Explore the surrounding saltwater backwater network of Ashtamudi Lake and historic royal palaces along Kollam's coastal belt.

Things to Do at Sasthamkotta Lake

• Boating on Fresh Waters: Rent country rowboats or eco-friendly pedal boats from designated local jetties to glide across the calm, clear lake surface.
• Temple Visit & Monkey Feeding: Explore the Sasthamkotta Sastha Temple and observe the friendly monkey colonies living harmoniously on the temple grounds.
• Birdwatching & Nature Photography: Spot resident and migratory bird species including kingfishers, egrets, herons, darter birds, and teal ducks along the lake fringes.
• Village Walking & Relaxation: Stroll through quiet country roads winding around the lake, enjoying fresh air, coconut groves, and warm local hospitality.

Local Food and Culinary Delights

Dining around Sasthamkotta features wholesome, traditional South Keralite dishes prepared with fresh local ingredients.

Must-Try Culinary Specialties

• Freshwater Fish Curry & Rice: Locally caught freshwater fish cooked in a tangy coconut and tamarind gravy served with hot red rice and vegetable side dishes.
• Tapioca (Kappa) with Fish Roast: Boiled mashed cassava seasoned with mustard seeds, paired with spicy Malabar fish curry.
• Appam with Coconut Stew: Soft, lacy rice pancakes served alongside creamy vegetable or chicken coconut milk stew.
• Fresh Fruit Juices & Tender Coconut: Refreshing local beverages sold at small shops around the temple entrance and lake promenade.

Where to Stay: Accommodation Options

Sasthamkotta offers cozy, budget-friendly accommodations, while luxury hotels and backwater resorts are located nearby in Kollam city.

Hotels & Eco-Stays near Sasthamkotta ($20 – $60 USD / ₹1,500 – ₹5,000 INR per night)

• KTDC Motel Araanya (Sasthamkotta): A comfortable government-operated hotel offering clean rooms, dining, and easy access to the lake and temple.
• Local family-run guesthouses and homestays around Sasthamkotta town offer clean rooms, home-cooked Kerala breakfasts, and local travel advice.

Luxury Resorts in Kollam City (25 km away) ($100 – $300 USD / ₹8,000 – ₹25,000 INR per night)

• The Raviz Ashtamudi: A premier 5-star luxury heritage resort located along Ashtamudi Lake in Kollam city, offering luxury villas, spa centers, and fine dining.

Budget Travel Guide for Sasthamkotta Lake

• Free Lake & Temple Access: Visiting the Sasthamkotta Sastha Temple, walking the lake shores, and enjoying viewpoints are completely free of charge.
• Inexpensive Public Buses & Trains: Passenger trains from Kollam to Sasthamkotta station cost under ₹15 ($0.20 USD), while local KSRTC buses cost less than ₹30 ($0.35 USD).
• Economical Local Boating: Hiring local country rowboats costs very little when shared among small groups.

Sample Half-Day / Full-Day Itinerary

• 08:30 AM: Arrive in Sasthamkotta via train or bus from Kollam; proceed to the Sasthamkotta Sree Dharma Sastha Temple.
• 09:00 AM: Explore the temple architecture, offer prayers, and observe the sacred monkey colonies on the green hillsides.
• 10:30 AM: Walk down to the lake jetty; hire a local rowboat for a 1-hour peaceful ride across the freshwater lake.
• 12:00 PM: Enjoy a traditional Kerala lunch thali featuring local fish curry and rice at KTDC Motel Araanya or a local eatery.
• 02:00 PM: Take a short 30-minute drive to nearby Munroe Island for an afternoon canal canoe tour, or proceed toward Kollam city for evening beach strolls.

Essential Rules and Visitor Guidelines

• Strict Zero-Plastic & Water Protection: Sasthamkotta Lake is the primary drinking water source for hundreds of thousands of people. Throwing trash, plastic bottles, or soap/chemicals into the lake is strictly illegal and subject to heavy legal penalties.
• Respect Temple Customs: Dress modestly when visiting the Sasthamkotta Sastha Temple (remove footwear outside; traditional attire recommended).
• Mind the Monkeys: While the resident monkeys are accustomed to humans, avoid teasing them, carrying visible open food bags, or making sudden aggressive movements.
• Sun & Heat Protection: Wear broad-brimmed hats, sunglasses, and broad-spectrum SPF 50 sunscreen during daytime boating tours.

Frequently Asked Questions (FAQs)

1. Where is Sasthamkotta Lake located?

Sasthamkotta Lake is located in the Kollam district of Kerala, South India, approximately 25 km from Kollam city.

2. What makes Sasthamkotta Lake famous?

It is famous for being the largest freshwater lake in Kerala, a designated Ramsar Wetland, the primary drinking water source for Kollam, and home to the historic Sastha Temple.

3. What is the nearest airport to Sasthamkotta Lake?

Thiruvananthapuram International Airport (TRV) is the nearest airport, located approximately 85 km away.

4. Does Sasthamkotta have a railway station?

Yes, Sasthamkotta Railway Station (STKT) is located just 3 km from the lake and temple.

5. Is Sasthamkotta Lake fresh water or salt water?

It is a pure freshwater lake, completely free of salt water intrusion, self-purified by natural biological ecosystems.

6. Why are there so many monkeys at Sasthamkotta Temple?

According to local legend, Lord Rama left behind a band of monkeys to guard the temple and lake, and they are revered by local devotees as sacred guardians.

7. Is swimming allowed in Sasthamkotta Lake?

Swimming is restricted in main reservoir sections to preserve the drinking water quality for Kollam city.

8. What food specialties should I try in Sasthamkotta?

Must-try dishes include freshwater fish curry, tapioca (kappa), Appams with coconut stew, and traditional South Keralite rice meals.

9. How far is Munroe Island from Sasthamkotta Lake?

Munroe Island is located approximately 18 km (about 30 minutes drive) from Sasthamkotta Lake.

10. What is the best season to visit Sasthamkotta Lake?

The post-monsoon and winter months from October to March offer clear skies, cool breezes, and ideal conditions for sightseeing.

Conclusion

Sasthamkotta Lake stands as a serene, freshwater paradise where ancient temple legends, crystal-clear spring waters, and rolling green hills meet in perfect harmony. From visiting the historic Sastha Temple and observing its sacred monkey guardians to taking a quiet rowboat ride across pure freshwater horizons, Sasthamkotta offers an authentic, offbeat retreat into Kerala's countryside. Plan your visit, respect the strict water conservation guidelines, and experience the natural charm of the Queen of Lakes!