I'm just back from a fantastic trip via Les Diablerets, Wildhorn, Wildstrubel. We experienced serious problems to get to the south (or west?) Wildhorn summit due to the very warm spring and summer like this year 2003 when the snow retreated to elevations of 3200 m and more. We hiked the summit via the small ice field between both summits. It was fairly steep, slip out could be very, very harmfull! Securing is absolutely necessary, if you are not an experienced mountaineer!
This is a photo-gallery of a skitour to the Wildhorn. (click the photo):