White Post is an unincorporated community in Clarke County, Virginia. White Post is located at the crossroads of White Post Road and Berrys Ferry Road off Lord Fairfax Highway.In the 1730s, Thomas Fairfax, 6th Lord Fairfax of Cameron, the major landowner in the lower Shenandoah Valley through an inheritance from his mother Catherine Culpeper, Lady Fairfax, settled here and built his "Greenway Court" manor home. According to a tradition currently inscribed on a bronze plaque affixed to the post, then Col. George Washington set the original post to guide travelers to Lord Fairfax's residence. Greenway Court plantation was unusual in that Lord Fairfax was titled and residing in the colony. Ethnic German and Scots-Irish subsistence farmers, many of them recent immigrants, settled in the area, as well as the Meade, Randolph and Burwell families, which were among the First Families of Virginia.