The Finsteraarhorn Hut (German: Finsteraarhornhütte) is a mountain hut of the Swiss Alpine Club, located north of Fieschertal in the canton of Valais. It lies at a height of above sea level at the southern foot of the Finsteraarhorn, the highest peak of the Bernese Alps. The hut overlooks the upper basin of the Fiescher Glacier, which is among the largest of the range. It is located a few kilometres east of the Grünhornlücke.