We have climb the Matterhorn. Check the pictures on: http://www.hikr.org/tour/post3751.html
(the page is in english too)
In the route it has allways a lot of snow. there are not optimal conditions, but is possibel. one of the famoust and beautiful mountain on this earth.
peace to the summitpost community, take care.
http://www.hikr.org/tour/post3751.html