The first ascent of the Piz Buin Pitschen took place on 24 August 1868 by O.W. Stein and Christian Jann, about three years after that of the Piz Buin Grond. Their path led from Klosters via Alp Spörra and Sardasca to the Clubhütte, today the Silvretta hut, as O.W. Stein describes in his report. From there they climbed over a crevasse glacier towards the Silvretta Pass, where Stein and his guide decided to climb the Piz Buin Pitschen after a rest at the Mittagsplatte (Plan da Mezdi) due to the good weather. Stein reports of a rugged rock ridge. At the top, a little cairn was build, which contained in a paper in a bottle with the names of the two climbers. They chose the descent north along the ridge.