Quartz Mountain is an unincorporated community in Lake County in the U.S. state of Oregon.

[1] It lies in the Fremont–Winema National Forest along Oregon Route 140 between Bly and Lakeview.

[2] Quartz Mountain is also the name of a ridge crossed by Route 140 at this point, about 30 miles (48 km) northwest of Lakeview.

[3] In 1930, a post office named Quartz Mountain was established along the highway near the pass.

This Lake County, Oregon state location article is a stub.