He managed with difficulty to reach Pius VI., who had sought refuge in the Certosa of the Val d'Ema, and was present at his death-bed.
Next comes the Stura, which rises in the glaciers of the Roche Melon; then the Orca, flowing through the Val di Locana; and then the Dora Baltea, one of the greatest of all the Alpine tributaries of the Po, which has its source in the glaciers of Mont Blanc, above Courmayeur, and thence descends through the Val d'Aosta for about 70 m.
Through the Val Leventina to Bellinzona (where it is joined by the MoÃ«sa bringing down the waters of the Val Misocco) enters the lake through a marshy plain at Magadino, about 10 m.
Or the west side of the lake the Toccia or Tosa descends from the pass of the Gries nearly due south to Domodossola, where it receives the waters of the Doveria from the Simplon, and a few miles lower down those of the Val d'Anzasca from the foot of Monte Rosa, and 12 m.
It flows by Lodi and Pizzighettone, and receives the waters of the Brembo, descending from the Val Brembana, and the Serio from the Val Seriana above Bergamo.