We recently had Max from Strava staying with us to write a blog regarding some hidden segments in the Oisans near Alpe d’Huez
You can read the full Strava blog here
http://blog.strava.com/eight-unknown-segments-around-alpe-dhuez-8670/
We have a selection of photos from the few days here
https://www.flickr.com/photos/morethan21bends/sets/72157646409731552/