Ebnefluh (Äbeni Flue, Ebenefluh) Ebnefluh, more commonly called Äbeni Flue in modern Swiss mountaineering sources, is a broad, glacier-covered mountain rising above the border between the Swiss cantons of Bern and Valais. Its summit reaches 3,962 meters (12,999 feet), placing it only 38 meters below the internationally recognized 4,000-meter mark. The mountain stands between Gletscherhorn …