I said:
Bet he can't do that in the opposite direction, though.
Mighty Gem:
No reason why not. The ideal wind direction to do something like that is 90 degrees to the ridgeline, so you can just turn round and come back. I've flown along the Minden ridge like that, about 50' above the trees.
Watch the VSI throughout the vid. Downhill all the way. Regardless of wind, I doubt he's do all that UPhill.