SR 119 begins at an intersection with US 101 in the unincorporated community of Hoodsport, located on the Hood Canal in Mason County. The highway travels west along Finch Creek as Lake Cushman Road into the Olympic Mountains and passes through Hoodsport Community Trail Park, a former state park. SR 119 continues north along the coast of Lake Cushman and Big Creek into Olympic National Forest, where it begins a concurrency with FFH-24 on Staircase Road heading northwest. The concurrent highways travel west along Lake Cushman as SR 119 ends at the entrance to Olympic National Park and the end of pavement.