In 1946, he took part in the 3rd ascent of the Walker route to the Grandes Jorasses. The following year, in 1947, he took part in Alain Pol's short film Attacking the Eiffel Tower (23 min, in black and white), in which the ascent of the Eiffel Tower is filmed by the same group of mountaineers who had cl...
To honor his memory, his name was given to a peak close to Fitz Roy, the Poincenot needle (3,002 m, in Spanish: Aguja Poincenot). The base camp for access to Fitz Roy and nearby hikes also bears his name. In Fontainebleau, a boulder passage bears his name in the Trois Pignons forest (southern part of the Bellifontain complex). At the very famous site of 95.2, on the white circuit, La Poincenot, rating 6c.