What does this number measure?
The highest summit in the Americas. Aconcagua belongs to the Andes, in Argentina. The value is the summit's elevation, not the distance one must travel to reach it.
Compare the stated dimensions
The comparison uses the number in each fact sheet: altitude, height, diameter, length or distance, depending on the reference. Two values in metres do not necessarily describe the same property.
Source and limitations
Catalogue order of magnitude; a source is provided, but this measurement has not been individually audited.
Interpreted terrain of Aconcagua. The 6 961 m figure is the summit's elevation above sea level, not the height of the illustrated terrain.