The purpose of this report is to describe the study area, methods, and results of a surficial geology inventory within the North Cascades National Park Service Complex (NOCA). This is one of the 12 basic resource inventories initiated by the National Park Service (NPS) Natural Resource Challenge in 1998. The study area for this report is the Bacon Creek Watershed (Fig. 1), which is presented in three sections: the main stem above the East Fork junction, the main stem below the East Fork junction, and the East Fork of Bacon Creek (Fig. 2).