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www.swissgeo.ch web site on map, hiking routes...very accurate
www.panapic.com web site on virtual panoramas from the summits...superb 360º views!
www.noth.ch an excellent web site on hiking in Switzerland, very relevant
www.summitpost.org a comprehensive web site on hiking, climbing & beyond
www.valaistourism.ch official web site of Valais tourism
www.wandersite.ch web site specialized in hiking and trekking in Switzerland (in German)