Glacier Montanvert

Glacier Montanvert was the common name in the 18th century for a portion of the Alps glacier, now known as Mer de Glace, on the northern slopes of the Mont Blanc massif . Alternative spellings of Montanvert include Montainvert and Montvers. The Glacier Montanvert was a popular tourist destination of European travellers and is referenced in numerous travel writings and novels of the time.

...
Wikipedia