Kota Ganga Ella Falls, Garadi Ella Falls in Kotagaga or Sevan Cascade of Knuckles Massif is something to be added to your list of new exploration with the great adventure trekking. Cascades of seven waterfalls falling down from the sothern foot hills platue of Knuckles Range to the Kotagaga vally of Kotagaga village is the highest cascades of Sri Lanka.