Facebook photo via Aspen TimesSusie DeForest A 20-year-old Pennsylvania woman who fell ill while hiking Conundrum Creek Trail near Aspen died in her campsite of high-altitude pulmonary and cerebral edema, the Pitkin County Coroner said Friday. Susanna “Susie” DeForest, who was hiking with friends, likely began developing symptoms of high-altitude pulmonary edema, or HAPE, when she was staying in Dillon — altitude 9,111 feet — on Aug.