Note 24 — Chapter V · EAST OF THE BERNINA. TARASP AND THE LIVIGNO DISTRICT.
Reading edition
The summits of Piz Pisoc and Piz St. Jon are, as the crow flies, 3,250 mètres apart; the bottom of the Scarl Thal is 1,600 mètres, or about 5,400 ft. below them. The average of the slopes on both sides the valley would be 45°.