Ya, when that area get Shatty it gets SHATTY! We were over by goodnews in a storm, caught a up draft and then imediatly got tossed right back down by the next gust. Me and the other guide asked after the flight and our pilot said it was probably an 80+foot drop.
The pongo was nuts cause there isnt really a deffined path and there are a bunch of mini bolders through the hole thing so if you don't find what path you can you're F'ed