Quartz Mountain (Douglas County, Oregon)

Quartz Mountain is a located 35 mi east of Roseburg in Douglas County, Oregon, United States. Located within the Jackson Creek subbasin, a tributary of the South Umpqua River, Quartz Mountain rises to an elevation of 5200 ft in the Umpqua National Forest. It has a large deposit of high-purity silica.

The summit was the site of a Forest Service lookout tower until it was removed in 1970.