Petrohué Waterfalls is a chute-type waterfall in the upper reach of Petrohué River in Chile, a short distance downstream of the source of this river in Todos los Santos Lake. This waterfall is inside the Vicente Pérez Rosales National Park, close to the road leading to the Petrohue locality on lake Todos los Santos. Tourists on the international route betwee…Petrohué Waterfalls is a chute-type waterfall in the upper reach of Petrohué River in Chile, a short distance downstream of the source of this river in Todos los Santos Lake. This waterfall is inside the Vicente Pérez Rosales National Park, close to the road leading to the Petrohue locality on lake Todos los Santos. Tourists on the international route between Puerto Montt in Chile and Bariloche in Argentina are generally offered a stop for a walk to enjoy the sights.