Introduction
Thenmala sits near Kollam, in the foothills of the Western Ghats. It is India’s first planned eco-tourism destination. The town shares forest land with Shenduruney Wildlife Sanctuary, part of the Agasthyamalai Biosphere Reserve. UNESCO recognizes the sanctuary as a World Heritage Site. Thenmala produces high-quality medicinal honey from wildflowers. Local beekeepers export the honey across India.
How to Reach Thenmala
By Air
Trivandrum International Airport is 72 km from Thenmala. You can hire a cab to reach the town in 1.5 to 2 hours. The road passes through the Western Ghats with hills and plantations.
By Train
Kollam Railway Station is 66 km away. Shenkottah Railway Station is 31 km away. Thenmala Railway Station is 2.2 km from the eco-tourism centre. Cabs and state buses connect all stations. Trains arrive from Chennai, Bengaluru, and Madurai.
By Bus
Thenmala Dam Bus Stop is 350 metres from the main entry. State buses run every hour from Trivandrum Central Bus Station. Private and state buses connect from Kollam and Punalur. Ticket costs start at INR 100.
By Road
Thenmala lies at the junction of Trivandrum–Shenkottah and Kollam–Shenkottah roads. Distances: Trivandrum 72 km, Kollam 66 km, Punalur 22 km, Shenkottah 31 km, Madurai around 190–200 km. Roads pass rubber and tea estates. Fuel and food stops exist along the main roads.
Eco-Tourism Zones
Thenmala divides the eco-tourism area into three zones. Each zone provides distinct experiences.
Leisure Zone
The Leisure Zone offers walking paths through a sculpture garden. Sculptures show the relation between humans and nature. Some sculptures have cracks from weather exposure.
The zone leads to Parappar Dam, Kerala’s largest irrigation project. You can cross the suspension bridge over the Kallada River. The bridge provides clear views of the reservoir and surrounding hills. Walking trails follow the riverbanks. You may observe birds and small animals along the paths. Benches allow rest and observation.
Adventure Zone
Adventure Zone offers physical challenges and outdoor activities. Options include:
- Rock climbing on natural rock formations
- Rappelling down safe cliffs
- River crossing with guides
- Tunnel walks along forest trails
- Burma bridges and elevated walkways
- Flying fox across forest gaps
- Mountain biking on marked trails
Helmets and harnesses are provided. Staff give instructions before each activity. Trails pass through forests and streams. The zone suits groups, friends, and teenagers.
Culture Zone
Culture Zone focuses on interactive and educational experiences. Features include:
- Musical Dancing Fountain operating in the evening
- Butterfly Safari Park with around 125 species, including Autumn Leaf butterflies
- Nakshatravanam, a garden with 27 trees representing birth stars in Indian astrology
You can sit in Nakshatravanam for meditation and bird observation. Staff provide information about species and their behavior. Cultural displays explain local forest history and ecology.
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Trekking in Shenduruney Wildlife Sanctuary
Soft Trekking
Soft trekking follows the reservoir edges. Guides lead the treks and explain wildlife. Trails include gentle slopes, streams, and resting points. You may spot deer, monkeys, and birds. Treks suit families and solo travellers.
Hard Trekking
Hard trekking routes lead to Kattilappara and Neduvannorkadavu. Treks take 4 hours. Terrain includes steep paths, rocky areas, and forest streams. Guides ensure safety. Wildlife includes lion-tailed macaques, gaur, and Nilgiri langurs.
Camping Packages
Thenmala offers structured overnight stays in the forest.
Idimuzhangan Camp
Idimuzhangan Camp sits beside the reservoir. Access is via forest paths or boat. Activities include:
- Trekking through forest trails
- Bird watching with observation points
- Butterfly watching in designated areas
- Boating on Shenduruney Lake
Tents have basic facilities. Guides lead night walks and explain wildlife. Meals and equipment are provided. The experience allows interaction with nature safely.
Rockwood Camp
Rockwood Camp goes deeper into the forest. Access uses an AC Thar vehicle along forest streams. The camp sits in a secluded area. Activities include trekking, observing wildlife, and walking along streams. Wildlife includes elephants, sloth bears, lion-tailed macaques, gaur, and Nilgiri langurs. Guides provide instructions and local knowledge.
Rosemala Trek and Camp
Rosemala requires a jeep along steep forest roads. The route is challenging. Views of Parappar Reservoir are panoramic. Activities include trekking, photography, and wildlife spotting. Guides provide forest information. Bookings: +91 8547602930, +91 8547602931. Minimum five participants for guided treks.
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Light and Sound Show
Thenoolum Thenmala runs at Mayooram amphitheater. The 20-minute show explains the forest, local culture, and biodiversity. Narration and lights display the sanctuary’s history. The show educates visitors on forest conservation. Evening shows start after sunset.
Practical Notes
| Category | Details |
| Timings | Most zones open from 9 AM to 5 PM |
| Packages | Full package INR 850 for first 180 visitors per day. Advance booking recommended |
| Water | Bring a reusable water bottle. Single-use plastics restricted |
| Food | KTDC Restaurant at the Facilitation Centre provides meals. Limited options inside zones |
| Stay | Riverside tented camp along Kallada River recommended. Tents include attached bathrooms. Wake up to river views |
| Best Season | October to April. Temperatures 17°C to 32°C. Avoid peak monsoon and summer |
Why Thenmala Works
Tourism improves forest protection. Zones separate leisure, adventure, and culture experiences. Visitors leave informed about wildlife and forest management. Managed access reduces environmental damage. Thenmala feels intentional and cared for. Crowding is rare.
Visitor Tips
Plan at least one full day. Book guided treks in advance. Wear sturdy shoes for adventure zones. Bring insect repellent and sun protection. Carry a camera for wildlife and scenic views. Respect forest rules.
Local Attractions Nearby
Parappar Dam offers boating. Walking trails surround the reservoir. Butterfly Safari Park allows observation of insects. Nakshatravanam garden provides quiet meditation spaces. Adventure activities attract younger travellers.
Nearby Attractions Around Thenmala
Adavinainar Dam
The dam offers calm water views and forest hills in the backdrop. Walk along the embankment to enjoy views. Local vendors sell snacks. It is suitable for photography and short picnics.
Manalar Waterfalls
Forest paths lead to the base of the falls. Natural pools form at the bottom. Wear sturdy shoes and follow safety signs near rocks. Morning visits offer fewer crowds and better light.
Kumbhavurutty Waterfalls
The falls have multiple cascades and streams. You can approach the lower pools for closer views. Local guides explain wildlife and safety. Avoid entering strong currents. Use designated areas for photos.
Achankovil Sri Dharmasastha Temple
A cultural temple dedicated to Lord Sastha. Observe rituals and architecture. Dress modestly and maintain decorum. Small shops around the temple sell offerings and local items. The temple reflects local tradition and spiritual practice.
Ambanad Waterfalls
Ambanad waterfalls are scenic cascades located within the Ambanad Hills (known as “Mini Munnar”) in Kollam district, Kerala, surrounded by lush tea and spice plantations. Situated near the Achankovil forest, this area offers, along with the waterfalls, panoramic views of the Western Ghats. Short forest trails lead to tiered cascades, making it ideal for light nature walks. Use the viewing platforms for perfect photos, and be cautious to avoid climbing wet rocks and always follow marked paths. The serene forest surroundings also offer opportunities for birdwatching and enjoying the rich biodiversity. Note that some sources indicate potential closure or restricted access, so plan your visit accordingly.
Ottakkal Weir View Point
Provides panoramic views of the reservoir and hills. A short walk from the parking area leads to the viewpoint. Sunrise and sunset offer the best light for photos. Benches are available for resting and observation.
Deer Rehabilitation Center
This centre houses rescued deer and other wildlife in enclosures. Observe the animals safely. Staff explain species, feeding habits, and conservation practices. The centre is educational for children and families.
Accessibility for Tamil Nadu Travellers
Thenmala is 14 km from the Tamil Nadu border. Drives from Tirunelveli, Madurai, or Tenkasi take 3 to 3.5 hours. Roads pass rubber plantations, tea estates, and villages. Fuel and food stops exist along main roads.
Wildlife Sightings
Expect monkeys, birds, butterflies, and deer along trails. Night trekking may reveal nocturnal animals. Guides explain species and their habits. Photography follows forest regulations.
Safety Measures
Staff provide helmets and harnesses for adventure activities. Swimming is allowed in designated areas. Trekking guides ensure safety on steep paths. Medical aid is available at the facilitation centre.
Environmental Practices
Single-use plastics are banned. Waste disposal follows strict guidelines. Reservoir water is protected. Visitors are encouraged to respect flora and fauna.
Who Thenmala Suits
Families
Adventure zone suits teenagers and adults. Leisure zone provides walking paths and picnic spots. Culture zone engages children with interactive exhibits. Butterfly Safari Park educates about insect diversity.
Thenmala for Solo Travellers
Soft trekking, photography, and the light and sound show suit solo visitors. Riverside camping offers quiet overnight stays. Day trips from Trivandrum or Kollam are possible.
Groups
Adventure activities work well for groups. Guided treks require a minimum of five participants. Group packages may offer discounts. Accommodation arrangements exist for large groups.
Seasonal Observations
October to April is dry and cooler. Monsoon months have heavy rainfall and slippery trails. Wildlife visibility increases in dry months. Flowers bloom from December to March, supporting honey production.
Travel Essentials
Carry first-aid kit, sunscreen, water bottle, insect repellent, comfortable clothing, trekking shoes, camera, and binoculars. Prepare for sudden weather changes in hills.
Thenmala Distance Reference
| From | Distance (approx) | Travel Time (approx) |
| Trivandrum | 72 km | 1.5 hours |
| Kollam | 66 km | 1.5 hours |
| Punalur | 22 km | 30 minutes |
| Shenkottah | 31 km | 45 minutes |
| Madurai | 190–200 km | 4–5 hours |
Conclusion
Thenmala offers a complete eco-tourism experience with well-planned zones. Visitors can enjoy leisure, adventure, and cultural activities, while opportunities for wildlife spotting, trekking, and camping make longer stays rewarding. Easy accessibility from Kerala and Tamil Nadu makes it ideal for weekend getaways.