Silver Star Mountain lies in Skamania County, in the U.S. state of Washington. According to the North American Vertical Datum of 1988, it reaches an elevation of , though the Geographic Names Information System database lists its elevation at , and The Columbian gives its height as . The volcano lies in the western segment of the Middle Cascades. It is about north of the western edge of the Columbia River Gorge and is accessible from United States Forest Service roads connected to Washington state highways. The volcano sits in the southwestern corner of the Gifford Pinchot National Forest, which encompasses an area of in southwestern Washington state.