Idukki Dam is Asia’s highest arch dam and one of the most iconic engineering marvels in Kerala. Built across the Periyar River between the towering granite hills of Kuravanmala and Kurathimala, this massive double-curvature arch dam stands 168.91 meters (554 ft) tall. Commissioned in 1976 by the Kerala State Electricity Board, it is a vital component of the Idukki Hydroelectric Project, generating 780 MW of power while creating a vast and scenic reservoir.
The dam and its surrounding lush forested hills offer breathtaking panoramic views, making it a stunning destination for nature lovers, photographers, and those seeking peace in the high ranges of Idukki.
Idukki Dam Location
- Address: Idukki Arch Dam, Kuravan and Kurathi Hills, Cheruthoni / Idukki Township, Idukki District, Kerala — 685602
- Pin Code: 685602
- Administrative Zone: Idukki Taluka, Idukki District, Kerala
| Reference Point | Distance |
| Cheruthoni Town | 5–8 km |
| Thodupuzha | 40–45 km |
| Munnar | 40–45 km |
| Kottayam | ~80–90 km |
| Painavu (District HQ) | ~15–20 km |
| Cochin International Airport | 110–120 km |
| Aluva Railway Station | ~105–110 km |
Timings and Entry Fee Idukki Dam
| Activity | Timings | Entry / Activity Fee |
| Dam Visiting Hours | 9:30/10:00 AM to 4:30/5:00 PM | Adults: ₹50–150, Children: ₹30–100 (varies by season/package) |
| Boating (Reservoir) | 10:00 AM to 5:00 PM | ₹145–600 (per person or per boat for 15–30 mins) |
| Buggy Ride on Dam | As available | ₹150 per person |
| Note: Entry often closed on Wednesdays or restricted days for security reasons. Online booking recommended via keralahydeltourism.com during open seasons. |
Note: Mobile phones and cameras are often restricted inside the dam premises for security. Fees and access rules can change; always check the latest updates.
How to Reach Idukki Dam
- From Thodupuzha: 40–45 km drive (1–1.5 hours).
- From Munnar: 40–45 km via scenic hill roads.
- From Cochin: 110–120 km, approx. 3.5–4.5 hours by cab.
- By Bus: KSRTC/private buses to Cheruthoni or Idukki, then local taxi/auto.
- By Air/Train: Cochin International Airport or Aluva Railway Station, followed by taxi.
Best Time to Visit Idukki Dam
| Season | Months | Experience |
| Peak Season | October to March | Cool, pleasant weather — best views and comfort |
| Post-Monsoon | September to November | Lush green hills, full reservoir |
| Monsoon | June to August | Dramatic misty views but heavy rains |
| Summer | April to May | Warm days — fewer crowds |
The best time is October to February, when the climate is refreshing and the surrounding landscape is at its most beautiful.
Nearby Places to Visit Idukki Dam
| Place | Distance | Description |
| Cheruthoni Dam | 5–8 km | Companion dam with beautiful reservoir views |
| Kulamavu Dam | ~20–25 km | Third dam in the Idukki project — scenic location |
| Hill View Park | 1–2 km | Excellent viewpoint for Idukki & Cheruthoni dams |
| Idukki Wildlife Sanctuary | ~15–20 km | Rich biodiversity and forest trails |
| Kalvari Mount (Calvary Mount) | ~15 km | Popular hilltop viewpoint with Christian pilgrimage site |
| Anchuruli Tunnel | Nearby | Unique tunnel with waterfall views |
| Painavu | 15–20 km | District headquarters with good amenities |
Frequently Asked Questions (FAQs)
Q1. Where is Idukki Dam located?
A: Idukki Dam is located between Kuravan and Kurathi hills in Idukki district, Kerala (PIN 685602), near Cheruthoni town, about 40–45 km from both Thodupuzha and Munnar.
Q2. What are the timings of Idukki Dam?
A: Visiting hours are generally 9:30/10:00 AM to 4:30/5:00 PM. The dam is often closed to tourists on Wednesdays or for security reasons.
Q3. What is the entry fee at Idukki Dam?
A: Entry fee ranges from ₹50–150 for adults and ₹30–100 for children. Boating charges are separate (₹145–600 depending on the ride).
Q4. What is the best time to visit Idukki Dam?
A: October to March is the ideal period for pleasant weather and scenic beauty.
Q5. What is the nearest airport and railway station to Idukki Dam?
A: Cochin International Airport (110–120 km) is the nearest airport. Aluva Railway Station is the closest major railhead.
Idukki Dam stands as a majestic symbol of Kerala’s engineering prowess amid stunning natural surroundings. Whether you visit for its architectural grandeur, reservoir boating, or hilltop views, it offers a memorable experience in the serene high ranges of Idukki. Plan your trip during the cooler months and combine it with nearby dams and viewpoints for the perfect day out!
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