Located 125 km from Bangalore, Hogenakkal waterfalls is the best weekend getaway on the Tamil Nadu - Karnataka border. It is the spot where River Cauvery enters Tamil Nadu and flows down as natural falls . The water flowing from the streams to the falls resembles a smoky pattern. Therefore, it is named Hogenakkal in Kannada which means Smoky Rocks. Book Now & Save Big at Agoda®! Always The Lowest Price Guarantee. We’re Available Live 24 7 to Help. Don’t Get Stranded When Traveling! Hogenakkal Falls is a waterfall in South India on the Kaveri river on the border between Dharmapuri district of Tamil Nadu and Chamrajnagar district of Karnataka. [1] We would like to show you a description here but the site won’t allow us.