Anchuruli Tunnel
Anchuruli Tunnel is an engineering marvel and a popular adventure destination located in the catchment area of the Idukki Arch Dam. The name Anchuruli literally translates to "Five Vessels," referring to five small hills that look like inverted vessels when the water level in the reservoir drops. T he highlight of this spot is a massive 4-kilometer long circular tunnel that carries water from the Erattayar Dam to the Idukki reservoir. This tunnel was constructed in the 1970s as part of the hydroelectric project, and its mouth creates a dramatic, almost cinematic view as water gushes out. During the summer months when the water level is extremely low, the brave can see "light at the end of the tunnel." However, during the monsoons, the force of the water is terrifyingly powerful and beautiful. The surrounding area is a part of the Idukki wildlife sanctuary, and the lush green forests provide a serene yet eerie atmosphere. It became particularly famous among the youth after being featured in several South Indian movies. The location offers a wide panoramic view of the Idukki reservoir backwaters, which is often mist-covered during the rainy season. It is a place where man-made industrial power meets the raw force of nature. Visitors can walk down a rugged path to reach the tunnel mouth, but extreme caution is advised. The site is managed by the KSEB (Kerala State Electricity Board) and is a must-visit for anyone interested in offbeat adventure and photography.
General information
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Ideal Duration:
1 to 2 HoursPlace Type:
Tunnel / Waterfall / AdventuEntry Fees:
Entrance Fee: Usually a nominal fee of 10 to 20 rupees is collected for maintenance.
Parking: Paid parking is available for 20 to 50 rupees.
Photography: Commercial photography may require additional permit...Entrance Fee: Usually a nominal fee of 10 to 20 rupees is collected for maintenance.
Parking: Paid parking is available for 20 to 50 rupees.
Photography: Commercial photography may require additional permits from the forest department or KSEB.Timing:
Regular Timings: Open from 8:00 AM to 6:00 PM daily.
Ideal Visit Time: Evening (4:00 PM to 6:00 PM) for the best light and cooler temperatures.
Monsoon: Visit during August to see the full force of the wate...Regular Timings: Open from 8:00 AM to 6:00 PM daily.
Ideal Visit Time: Evening (4:00 PM to 6:00 PM) for the best light and cooler temperatures.
Monsoon: Visit during August to see the full force of the water.Special Events:
Local Temple Festivals: The Ayyappancoil temple nearby hosts annual festivals in January with traditional music and rituals.
Monsoon Tourism: While dangerous, many photographers visit during July to capture the peak water flow. ...Local Temple Festivals: The Ayyappancoil temple nearby hosts annual festivals in January with traditional music and rituals.
Monsoon Tourism: While dangerous, many photographers visit during July to capture the peak water flow.Best Photo Spots:
The Tunnel Entrance: A wide-angle shot of the circular opening with water gushing out.
Top Viewpoint: The hill overlooking the reservoir offers a shot of the "five vessels" hill formations.
Suspension Bridge:The Tunnel Entrance: A wide-angle shot of the circular opening with water gushing out.
Top Viewpoint: The hill overlooking the reservoir offers a shot of the "five vessels" hill formations.
Suspension Bridge: The nearby Ayyappancoil bridge is perfect for heritage-style photography.Photo Gallery
Things To Do
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Tunnel Mouth Viewing: Watching the gushing water exit the tunnel is the primary attraction.
Trekking: The walk down from the parking area to the reservoir level is a mini-trek through forest trails.
Photography: The contrast of the dark tunnel against the bright reservoir makes for stunning silhouette photos.
Fishing: Tourists can engage in recreational fishing with local guides in the backwaters.
Bird Watching: The reservoir attracts various aquatic birds, making it a quiet spot for birders.
Boating: Occasional local boat services are available to explore the vastness of the Idukki reservoir.
Sunset Picnic: The area around the reservoir is perfect for watching ...
Information
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Why Famous:
Cinematic Location: It is a favorite spot for filmmakers due to its unique and mysterious appearance.
Engineering Marvel: One of the longest water tunnels in Kerala, showing the scale of the Idukki power project.
Read MoreCinematic Location: It is a favorite spot for filmmakers due to its unique and mysterious appearance.
Engineering Marvel: One of the longest water tunnels in Kerala, showing the scale of the Idukki power project.
The "Five Vessels": The geological formation of the five hills that appear in low water is a rare natural sight.
Adventure Trekking: The path to the tunnel is rugged and provides a thrill for young travelers and hikers.Architecture:
Tunnel Design: The Anchuruli Tunnel is a circular conduit with a diameter of approximately 24 feet (7. 3 meters). It was bored through the solid rock of the Kalyanathandu hill to create a gravity-fed water channel.
Construction History: Wo...Tunnel Design: The Anchuruli Tunnel is a circular conduit with a diameter of approximately 24 feet (7. 3 meters). It was bored through the solid rock of the Kalyanathandu hill to create a gravity-fed water channel.
Construction History: Work began in 1974 and was completed in 1980, involving heavy drilling and blasting through the mountain.
Length: The tunnel spans a total length of 3. 803 KM to 4 KM depending on the measurement points. It represents a significant feat of civil engineering from the late 20th century in India.How To Reach:
By Air: Cochin International Airport is about 130 KM away.
By Train: Kottayam Railway Station is the nearest major station, about 110 KM away.
By Road: Well connected to Kattappana town. Take a bus to Kanc...Near Tourist Places:
Kattappana (9 KM), Calvary Mount (10 KM), Idukki Arch Dam (30 KM), Ayyappancoil Bridge (5 KM), Cheruthoni Dam (32 KM), Ramakkalmedu (25 KM), Thekkady (35 KM), Vagamon (40 KM), Thooval Waterfall (15 KM), Hill View Park (31 KM).Tourism Tips
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Health & Safety: Never enter the tunnel during the rainy season as the water level can rise without warning.
Packing: Wear shoes with excellent grip as the rocks near the water are covered in slippery moss.
Cas...
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