Whitebark pine trees are a keystone species in alpine ecosystems across the American west. They have been a candidate for listing under the Endangered Species Act since 2011. Their seeds’ high caloric content sustain grizzly bears and Clark’s nutcrackers, and the trees modify snowmelt patterns in arid, high-alpine ecosystems. We will map whitebark pines in Glacier National Park to serve as a baseline for analyzing change over time of “ghost forests”.