Much of the research concerning alpine glaciers has focused on “clean” glaciers largely devoid of rock debris (Paterson, 1994). While, increased attention has recently focused on debris-covered glacier research (e.g. Nakawo and others, 2000), there is still relatively little knowledge about the mass balance processes and effects of climate change on debris-covered glaciers. Debris-covered glaciers are relatively common on the stratovolcanoes of the western United States (Nylen, 2004), in the Rocky Mountains (Konrad and Humphrey, 2000), the Hindu Kush-Himalaya region of central Asia (Iwata and others, 2000), and the Andes of South America (Corte, 1998). Our study examines the interrelated morphological processes of changing surface topography on Eliot Glacier, including ice flow, ablation, debris thickness, and glacier thinning. Additionally, the spatial change of Eliot Glacier is documented since 1901 relative to six other glrs on Mount Hood.