What is an Ultra mountain?
Q: What is an Ultra mountain?
A: An Ultra mountain is any mountain in the United States that has a topographic prominence of 1500 metres (4921 feet) or more.
Q: How many mountains in the United States qualify as Ultras?
A: There are 128 mountains in the United States that qualify as Ultras.
Q: What is the purpose of the list of Ultras of the United States?
A: The purpose of the list of Ultras of the United States is to provide a sort-able list of all the 128 mountains that qualify as Ultras.
Q: What is the definition of topographic prominence?
A: Topographic prominence is the height of a mountain or hill's summit relative to the lowest contour line encircling it but containing no higher summit within it.
Q: Are all mountains included in the list of Ultras of the United States?
A: No, only mountains with a topographic prominence of 1500 metres (4921 feet) or more are included in the list of Ultras of the United States.
Q: Can the list of Ultras of the United States be sorted?
A: Yes, the list of Ultras of the United States is sort-able.
Q: What is the significance of a mountain being classified as an Ultra?
A: The significance of a mountain being classified as an Ultra is that it indicates a particularly high level of topographic prominence and makes the mountain a particularly noteworthy peak for mountaineers and hikers.