What grade are you looking for?
Worst part was walking back round to the car afterwards.
Pichenibule - best 7b+ on the planet
The best recommendation I can give is the Pichenibule face linkup (recommended in Parois du Legende):Rideaux de Gwendal -> Pichenibule -> Ctuluh.as it takes in the best of that wall (perhaps the Gorge itself?), I certainly wouldn't do it first or everything else might feel a little mediocre!
Are you still there? If so the top two pitches of Surveiller are no more difficult IMO to what you've already one (as someone drilled a pocket when the going go too 'grey'). Easiest to reach these via the blue named ab point.
La Limite des Possibilités Humaines.