Trekking the Swiss Via AlpinaA guidebook to the Swiss Via Alpina, a 400km (250 mile) trek east to west across Switzerland, from Sargans to Montreux on Lac Leman (Lake Geneva). Previously the Alpine Pass Route, the Via Alpina (VA) is a fully waymarked Swiss national trail that involves nearly 23,000m of ascent and descent over roughly 3 weeks of trekking a serious challenge suitable for experienced trekkers. The main route is described in 19 stages of 12 29km (8 18 miles), as well