Premise: The Gnifetti Hut (Italian: "Capanna Giovanni Gnifetti") is a refuge in the Alps in Aosta Valley, Italy. It is located at an altitude of 3647 m , and provides access to mountaineers climbing any of the fifteeen nearby 4,000 metre high summits of the Monte Rosa massif, and gives access to high-level glacier routes as well as to the Margherita Hut, located on the Signalkuppe.
Hypothesis: The altitude of the hut is above sea level