Here is a description of the Vallée Blanche descent from his site.
We did 2 runs
Frederic was right that taking the train was not actually faster, from fork off point between the 2 points, both took just around 1h25, including waiting for the train 20mn, but honestly the train route was more fun that given day since boarding all the way back to the road on crappy icy snow at the bottom, was not fun enough to do twice (or even once that day). For comparison the 2nd time it took just 1h to get from the to of aiguille du midi to that forkoff point, close to the glacier, stairs and train.
We met around 08:10, rented some crampons for the first walk out of top visitor center since it's a slippery and steep-ish ridge before you can bind in and ride down:
We then went to Aiguille du midi's cable car and took it to the top. Thankfully there was no line:
Time to put the crampons on and head down:
Then, time to go down, we were not the only ones:
lots of ice blocks and seracs that could detach and fall on us, our uide had to keep track of them
pretty, but more stuff that could fall on us :)
sadly a bigger group had one person who strayed a bit, feel into a crevice and had to be pulled out and rescued
Eventually we got to the bottom on top of the glacier. Easy, but more boring snowboarding :) (and some pushing with poles)
some people walked up the glacier in snow shoes
Eventually the fun was over and we had to unbind and hike up for 15mn or so, up to a resting/lunch cabin
It was then time to continue riding down all the way to town. Sadly it was less fun snow, even narrow and icy at the bottom:
eventually we got to the end of a small ski resort, back to the road
Short video of the first time down:
Here are some pictures from Fred:
Arturo was ok enough after one run, especially given that the bottom kind of sucked, but I was up for a 2nd run (Grand Envers):
by then, it started getting tracked
Grand Enver was more pristine though since it's harder for skiiers
a piece of that fell earlier that day, and gave us an ice field to cross (kind of hard)
we finally got to the bottom, another track from the one earlier that day
Before too long, we got to the ice cave, small cabins at the top of the stairs, and cig train:
then time to climb up the stairs back to the train
Longer video of the second time down:
And that was it, great 2nd run. We spent a bit of time in town to enjoy the sunset lights and dinner:
A huge thanks to Frederic Drouet for keeping us safe and guiding us that day.