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)