What does this number measure?
The altitude of the snow cap varies; the value is a rounded reference. Displayed dimension: rounded altitude, varying with snow.
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 value to check against the source; not individually audited.
Mont Blanc: an interpretation of the snowy dome, granite needles and glaciers. The value compares a rounded altitude that varies with snow; this relief does not mark sea level and is not a topographic survey.