Khone Phapheng Falls, located in Champasak Province in southern Laos along the Mekong River near the Cambodian border, is a series of large cascading waterfalls within the Si Phan Don region. Visitors can walk through the site, observe the powerful cascades from viewing points, and take photographs of the surrounding scenery while exploring the natural setting. The waterfall is recognised as the largest in Southeast Asia by volume.