The Oberaarrothorn is a mountain of the Bernese Alps, on the border between the Swiss cantons of Valais and Bern. It is south of the Oberaarjoch, between the Fiescher Glacier and the Oberaar Glacier. References External links Oberaarrothorn on Hikr Mountains of the Alps Alpine three-thousanders Mountains of Switzerland Mountains of Valais Mountains of the canton of Bern Bern–Valais border