Skiing Apocalypse Couloir in Grand Teton N.P. with Griffin Post & TGR I just got off the phone with Exum Guide & friend Zahan Billimoria. ย Zahan was the guide on this February 2013 trip to Apocalypse Couloir on Prospector Peak in the Grand Teton National Park with athletes Griffin Post & Max Hammer. Zahan told us that he pitched the idea of doing a couple of big tours in the Grand Teton […] Miles Clark | May 13, 2013 4 Comments