What is the nearest town to Echo Point and the rock formation known as the Three Sisters?
Echo Point (lookout) Echo Point is a lookout about 2 km south of Katoomba, New South Wales, Australia. It attracts an estimated 1.5–2 million visitors each year. The lookout offers a view to Three Sisters, Mount Solitary and the rock formation known as the Ruined Castle. A short walk from Echo Point leads to The Giant Stairway which provides access to a number of nature walks through Jamison Valley.
Appekunny Formation Appekunny Formation is a thick series of rock strata located in the Lewis Range within Glacier National Park, in the U.S. state of Montana. The formation is primarily mudstone and siltstone deposited in a shallow sea during the Proterozoic. Not far from the eastern entrance to the Going-to-the-Sun Road at St. Mary, Montana, the formation can be easily seen on the slopes of Singleshot Mountain. The Appekunny Formation contains bedding structures which may include the remains of the oldest metazoan (animal) on Earth.