Glenbrook was a logging town in Benton County,

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. Glenbrook lies on Alpine Road west of

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and south of Dawson. It is located at . A sawmill operated by the Alsea River Lumber Company was established at Glenbrook in 1919, and a logging railroad into the surrounding forest was constructed at this time. The town itself was built around the sawmill, and was "christened" with a large parade and barbecue in late August 1920. As of 2024, little remains of Glenbrook apart from the mill pond.

References

Unincorporated communities in Benton County, Oregon Unincorporated communities in Oregon {{BentonCountyOR-geo-stub