Tourists who seek adventure in the hills can satiate their desire in this good trekking destination. This is named after the wife of M.D. Cockburn who is believed to have introduced the Coffee Plantations to Kotagiri. It was once called as GeddhehaadaHalla meaning Foothills of the Dale River. It is a double cascaded 250 ft high waterfall located in Kotagiri, branching off at Aravenu on Mettupalayam Road. The best time to visit the waterfalls is during the months of October to May soon after the monsoons.