Jura Mountains: We had to push and hike through snow the last few kilometres <a href="http://www.cycling-challenge.com/col-du-sac-is-open/">ride details</a> <a href="http://www.flickr.com/photos/willj/2347213887/" title="Col du Sac by will_davies, on Flickr"><img src="http://farm3.static.flickr.com/2055/2347213887_92997b129f_m.jpg" width="240" height="137" alt="Col du Sac" /></a>