From Bovec on the upper Isonzo to the Swiss border at the Stelvio Pass stretched around 400km of border at an altitude above 2,000m. Halfway along this border, between the Trentino and the Kreuzberg, rose the Dolomites, that offered little strategic advantage to either side.: Between Switzerland and Lake Garda the Ortler, and the Adamello-Presanella Alps controlled the Stelvio Pass and the Tonale Pass. From here the Austrians could have broken through to threaten the industrial cities of Lombardy, while the Italians could have penetrated deep into the Tyrol. In fact neither side developed major plans for this sector, and once the passes were closed and both sides maintained a static posture.: