Banasura Sagar Dam, Wayanad

Written by: Ratheesh R.Nath Reviewed by: Ratheesh R. Nath Last Updated: July 27, 2026 Reading Time: 2 minutes
🎯 Key Takeaways
  • Banasura Sagar Dam is the largest earthen dam in India and is also considered  to be the second largest in Asia.
  • The dam is constructed with massive stacks of stones and boulders.  This mud structure stretch out for almost a kilometer and has vast catchment area.
  • This hill is named after the Asura king 'Banasura', son of King Mahabali (who is believed to visit Kerala during every Onam festival).
  • Legends says that Banasura undertook a severe penance on the top of these hills and thus the place was named after him.
  • Location Banasura dam is located  21 km from Kalpetta, nearest town in Wayanad district, Kerala.

Banasura Sagar Dam is the largest earthen dam in India and is also considered  to be the second largest in Asia. The dam is constructed with massive stacks of stones and boulders.  This mud structure stretch out for almost a kilometer and has vast catchment area. The dam impounds the waters of the Karamanathodu tributary of the Kabini River.

Legend

Banasura Sagar Dam is constructed at the foot of Banasura Hill. This hill is named after the Asura king ‘Banasura’, son of King Mahabali (who is believed to visit Kerala during every Onam festival). Legends says that Banasura undertook a severe penance on the top of these hills and thus the place was named after him.

Location

Banasura dam is located  21 km from Kalpetta, nearest town in Wayanad district, Kerala. It is nestled at the valley of  Banasura Hills, which is the third largest peak in Western Ghats.
The nearest city is Calicut (Kozhikode) which is 103 Kms from the dam site. It is around 288 Kms from Bangalore , the nearest metro.

Activities

Bansura Sagar dam is a widely popular tourist spot in Wayanad. It is often the starting point for trekking to the scenic mountain range, Banasura hills.

The panoramic view is at its best during monsoon season.  Small islands can be seen in the dam reservoir during monsoon and that with the green mountain range in the backdrop, is simply spectacular!

There is a ‘Nature park’ with lots of traditional tree swings which make us want to become a child again. They have a refreshment stall also there.

Boating facility is made available to tourists to enjoy the full view of the dam reservoir and catchment area. You can choose either speed boat or pedal boat for the ride but the speed boat ride,  is an exhilarating experience and surely not one to be missed.

This dam comes under the Indian Banasura Sagar Project which was started in 1979. This project was started with two major goals;

  • To support the Kakkayam Hydro electric power project
  • To satisfy the demand for irrigation and drinking water in the region
Ratheesh R. Nath
About the Author

Ratheesh R. Nath is a certified business coach, IIM Kozhikode alumnus, and tourism entrepreneur with a strong background in technology and analytics.

After beginning his career as an analyst at Tata Motors, he built his own venture in the tourism industry. He is passionate about strategic planning, mentoring SMEs, and helping businesses achieve sustainable growth.

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