Take the cable car up to the first stage of La Tour, from there you can ask the attensant to start the chair lift (they allow you to take bikes), approx 15 minute accent, then your at the top of 3000 metre La Tour, amazing view, First stage down, very tricky snow 3-5 inches in summer, very rocky track, have to keep going picking way through goat tracks. Second stage opens up when back a top of the cable car section, this is where the real speed starts, open the bike up and kick back, lots of hair pins and jumps,, , wicked riding.
How to get there:
Fly to Geneva, hire car or train one hour to Chamonix, lots of placesto stay lots of good bike hire.
wicked, we spent a week and biked the whole valley, loads more great rides, email for more info...